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Lenovo 10B0 Maintenance Manual

Lenovo 10B0 Maintenance Manual

Machine types: 10b0, 10b1, 10b2, 10b3, 10b4, 10b5, 10b6, 10b7, 10ax, and 10ay
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ThinkCentre M73
Hardware Maintenance Manual
Machine Types: 10B0, 10B1, 10B2, 10B3, 10B4, 10B5, 10B6, 10B7,
10AX, and 10AY

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Summary of Contents for Lenovo 10B0

  • Page 1 ThinkCentre M73 Hardware Maintenance Manual Machine Types: 10B0, 10B1, 10B2, 10B3, 10B4, 10B5, 10B6, 10B7, 10AX, and 10AY...
  • Page 2 “Safety information” on page 3 and Appendix A “Notices” on page 247. Second Edition (December 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No.

  • Page 3: Table Of Contents

    ..ICE thermal alert ....Lenovo Support Web site ..Changing the BIOS settings before installing a new Chapter 4.
  • Page 4 Chapter 9. Replacing FRUs (machine Replacing the power supply assembly . . . types: 10B0, 10B1, 10B2, and 10B3) . 89 Replacing the microprocessor ..Handling static-sensitive devices ..
  • Page 5 Security features ....Index....Hardware controlled passwords ..© Copyright Lenovo 2013...
  • Page 6 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    Before servicing a Lenovo computer product, be sure to read “Important safety information” on page 1. Chapter 7 “Symptom-to-FRU Index” on page 63 and Chapter 12 “Additional service information” on page 243 are not specific to any machine type and are applicable to all ThinkCentre Edge computers.
  • Page 8 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 9: Chapter 2. Safety Information

    • Reinstall all covers correctly before returning the machine to the customer. Electrical safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication © Copyright Lenovo 2013...
  • Page 10 systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.

  • Page 11: Safety Inspection Guide

    – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products.

  • Page 12: Grounding Requirements

    When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to eliminate static on your body. •...
  • Page 13 • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to properly wired outlets any equipment that will be attached to this product. •...
  • Page 14 DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following: Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs)
  • Page 15 Chapter 2 Safety information...
  • Page 16 ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. ThinkCentre M73 Hardware Maintenance Manual...
  • Page 17 Para evitar risco de choque elétrico: • Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. • Conecte todos os cabos de alimentação a tomadas elétricas corretamente instaladas e aterradas. •...
  • Page 18 • A utilização de controles ou ajustes ou a execução de procedimentos diferentes dos especificados aqui pode resultar em exposição prejudicial à radiação. PERIGO Alguns produtos a laser contêm diodo de laser integrado da Classe 3A ou da Classe 3B. Observe o seguinte: Radiação a laser quando aberto.
  • Page 19 Chapter 2 Safety information...
  • Page 20 ThinkCentre M73 Hardware Maintenance Manual...
  • Page 21 Chapter 2 Safety information...
  • Page 22 DANGER Le courant électrique provenant de l'alimentation, du téléphone et des câbles de transmission peut présenter un danger. Pour éviter tout risque de choc électrique : • Ne manipulez aucun câble et n'effectuez aucune opération d'installation, d'entretien ou de reconfiguration de ce produit au cours d'un orage.
  • Page 23 ATTENTION: Si des produits à laser (tels que des unités de CD-ROM, de DVD-ROM, des unités à fibres optiques, ou des émetteurs) sont installés, prenez connaissance des informations suivantes : • Ne retirez pas le carter. En ouvrant l'unité de CD-ROM ou de DVD-ROM, vous vous exposez au rayonnement dangereux du laser.
  • Page 24 VORSICHT An Netz-, Telefon- und Datenleitungen können gefährliche Spannungen anliegen. Aus Sicherheitsgründen: • Bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen. Ferner keine Installations-, Wartungs- oder Rekonfigurationsarbeiten durchführen. • Gerät nur an eine Schutzkontaktsteckdose mit ordnungsgemäß geerdetem Schutzkontakt anschließen.
  • Page 25 • über 100 C erhitzen. • reparieren oder zerlegen. Die örtlichen Bestimmungen für die Entsorgung von Sondermüll beachten. ACHTUNG: Bei der Installation von Lasergeräten (wie CD-ROM-Laufwerken, DVD- aufwerken, Einheiten mit Lichtwellenleitertechnik oder Sendern) Folgendes beachten: • Die Abdeckungen nicht entfernen. Durch Entfernen der Abdeckungen des Lasergeräts können gefährliche Laserstrahlungen freigesetzt werden.
  • Page 26 ThinkCentre M73 Hardware Maintenance Manual...
  • Page 27 Chapter 2 Safety information...
  • Page 28 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. Per evitare il rischio di scosse elettriche: • Non collegare o scollegare qualsiasi cavo oppure effettuare l'installazione, la manutenzione o la riconfigurazione del prodotto durante un temporale. •...
  • Page 29 ATTENZIONE: Quando vengono installati prodotti laser (quali CD-ROM, unità DVD-ROM, unità a fibre ottiche o trasmittenti), tener presente quanto segue: • Non rimuovere gli sportelli. L'apertura di un'unità laser può determinare l'esposizione a radiazioni laser pericolose. All'interno dell'unità non vi sono parti su cui effettuare l'assistenza tecnica. •...
  • Page 30 ThinkCentre M73 Hardware Maintenance Manual...
  • Page 31 PELIGRO La corriente eléctrica procedente de cables de alimentación, teléfonos y cables de comunicación puede ser peligrosa. Para evitar el riesgo de descarga eléctrica: • No conecte ni desconecte los cables ni realice ninguna tarea de instalación, mantenimiento o reconfiguración de este producto durante una tormenta eléctrica. •...
  • Page 32 • No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales. • Desconecte los cables de alimentación, los sistemas de telecomunicaciones, las redes y los módems conectados antes de abrir las cubiertas de los dispositivos, a menos que se indique lo contrario en los procedimientos de instalación y configuración.
  • Page 33 Algunos productos láser tienen incorporado un diodo láser de clase 3A o clase 3B. Tenga en cuenta lo siguiente: Cuando se abre, queda expuesto a radiación láser. No mire directamente al rayo láser, ni siquiera con instrumentos ópticos, y evite exponerse directamente al rayo láser. ≥18 kg ≥32 kg ≥55 kg...
  • Page 34 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 35: Chapter 3. General Information

    This chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. For machine types: 10B0, 10B1, 10B2, and 10B3 Dimensions Width: 160 mm (6.3 inches) Height: 388 mm (15.28 inches) Depth: 422 mm (16.61 inches)

  • Page 36: For Machine Types: 10B4, 10B5, 10B6, And 10B7

    For machine types: 10B4, 10B5, 10B6, and 10B7 Dimensions Width: 90 mm (3.54 inches) Height: 335 mm (13.19 inches) Depth: 382 mm (15.04 inches) Weight Maximum configuration as shipped: 6.6 kg (14.55 lb) (without package) Maximum configuration as shipped: 8.96 kg (19.75 lb) (with package) Environment •...

  • Page 37: For Machine Types: 10Ax And 10Ay

    The ac power adapter input voltage: 100 to 240 V ac Input frequency range: 50 or 60 Hz Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely. Depending on the ® Windows operating system preinstalled, the programs might vary.
  • Page 38 Note: If you do not find the program you need in Control Panel, open the Lenovo ThinkVantage Tools program navigation window and double-click the dimmed icon to install the program you need. Then, follow the instructions on the screen.

  • Page 39: Accessing Lenovo Programs On The Windows 8 Or Windows 8.1 Operating System

    • On the Windows 8.1 operating system, press the Windows key to go to the Start screen. Click a Lenovo program to launch it. If you cannot find the program you need, click the arrow icon in the bottom-left corner of the screen to go to the Apps screen. Find the desired program in the apps list or search for it in the search box in the top-right corner of the screen.
  • Page 40 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 41: Chapter 4. General Checkout

    Service Support and Engineering functions. • Machine type and model • Processor or hard disk drive upgrades • Failure symptom – Do diagnostics indicate a failure? – What, when, where, single, or multiple systems? – Is the failure repeatable? © Copyright Lenovo 2013...
  • Page 42 – Has this configuration ever worked? – If it has been working, what changes were made prior to it failing? – Is this the original reported failure? • Diagnostics version – Type and version level • Hardware configuration – Print (print screen) configuration currently in use –...

  • Page 43: Chapter 5. Troubleshooting And Diagnostics

    Chapter 5. Troubleshooting and diagnostics This chapter provides information about diagnosing and troubleshooting computer problems. If your computer problem is not described here, see “Lenovo Support Web site” on page 33 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems.

  • Page 44: Accessing Control Panel On The Windows 8 Or Windows 8.1 Operating System

    Symptom Action The operating system does not Verify that: start. • The startup sequence includes the device where the operating system resides. Usually, the operating system is on the hard disk drive. For more information, see “Selecting a startup device” on page 59. The computer beeps multiple Verify that no keys are stuck.

  • Page 45: Troubleshooting

    • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 33 for more information. • If you are unable to run the diagnostic program, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 33 for more information.
  • Page 46 • Verify that the audio device drivers are correctly installed. See Microsoft Windows help system for more information. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 47: Cd Problems

    Refer to the documentation that comes with the application or game for instructions on setting sound-card settings. • If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 48: Dvd Problems

    Note that on some models the startup sequence is permanently set and cannot be changed. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 49: Intermittent Problems

    • Use the DVD menu for the video to select a different audio track. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 50: Keyboard, Mouse, Or Pointing Device Problems

    If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 56. If you need technical assistance, see “Lenovo Support Web site” on page 33. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...
  • Page 51 • If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS settings. See “Enabling or disabling a device” on page 59. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 52: Monitor Problems

    4. Check the surface on which you are using the mouse. If you have a very intricate picture or pattern beneath the mouse, it may be difficult for the digital signal processor (DSP) to determine changes in the mouse position. 5.
  • Page 53 If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 54: Networking Problems

    • See your operating system documentation or help for further information on monitor settings. If these actions do not correct the problem, your monitor might need service. See “Lenovo Support Web site” on page 33 for details.
  • Page 55 meters. If the cable is connected and the distance is within acceptable limits but the problem persists, try a different cable. • The cable is installed properly. • You are using the correct device driver. On the Windows 7 operating system, do the following: 1.

  • Page 56: A Wireless Lan Problem

    • Use Category 5 wiring and ensure that the network cable is securely connected. • Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X). If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps Symptom: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps.

  • Page 57: Option Problems

    See the documentation supplied with the adapter (as well as the documentation for any other installed adapters) to determine the resources required for each adapter. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.
  • Page 58 Insufficient free hard disk drive space Symptom: Insufficient free hard disk drive space The Windows operating system will slow down and might produce errors if the hard disk drive gets too full. To check the amount of free space on the Windows 7 operating system, do the following: 1.

  • Page 59: Printer Problems

    33. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 92. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 56 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 60: Serial Port Problems

    • Ensure that the serial-port adapter, if you added one, is properly installed and firmly seated. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 61: Usb Problems

    • Reset the device by detaching and reattaching the USB connector. If these actions do not correct the problem, run the Lenovo Solution Center program to test the USB connector. If the USB device came with its own diagnostics, run those diagnostics against the USB device.

  • Page 62: Lenovo Solution Center

    Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files. You will need the log files when you speak to a Lenovo technical support representative. ThinkCentre M73 Hardware Maintenance Manual...

  • Page 63: Copyright Lenovo

    Using passwords By using the Setup Utility program, you can set passwords to prevent unauthorized access to your computer and data. The following types of passwords are available: • Power-On Password © Copyright Lenovo 2013...

  • Page 64: Password Considerations

    • Administrator Password • Hard Disk Password You do not have to set any passwords to use your computer. However, using passwords improves computing security. If you decide to set any passwords, read the following sections. Password considerations A password can be any combination of up to 64 alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised.

  • Page 65: Enabling Or Disabling A Device

    Note: The USB 2.0 connector (USB port 3) on the rear of your computer supports the smart power on feature. If you connect a Lenovo-recommended USB 1.1 keyboard to this connector, you can power on the computer or wake it up from S4 hibernation mode by pressing Alt+P on the keyboard. Ensure that you use a Lenovo-recommended keyboard that supports the smart power on feature.

  • Page 66: Selecting Or Changing The Startup Device Sequence

    1. Turn off your computer. 2. Repeatedly press and release the F12 key when turning on the computer. When the Please select boot device window displays, release the F12 key. 3. Select the desired startup device and press Enter. The computer will start up from the device you selected.

  • Page 67: Ice Performance Mode

    1. Start the Setup Utility program. 2. From the Setup Utility program main menu, select Power ➙ After Power Loss, and press Enter. 3. Select Power On and press Enter. 4. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit.

  • Page 68: Changing The Bios Settings Before Installing A New Operating System

    Changing the BIOS settings before installing a new operating system BIOS settings vary by operating system. Change the BIOS settings before installing a new operating system. To change the BIOS settings, do the following: 1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 57. 2.

  • Page 69: Chapter 7. Symptom-To-Fru Index

    • Microprocessor(s) connection Check the power cord for continuity. Power cord Check the power-on switch for continuity. Power-on switch Beep symptoms Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST. © Copyright Lenovo 2013...

  • Page 70: Post Error Codes

    The following table describes the beep symptoms. Beep symptom FRU/Action 2 short beeps Common POST Error Common error code, see the detail failure information in “POST error codes” on page 64. 3 short and 1 long beeps DRAM memory error Perform the following actions in order.

  • Page 71: Miscellaneous Error Conditions

    Miscellaneous error conditions Message/Symptom FRU/Action Changing display colors Display/Monitor Computer will not power-off. See “Hard disk drive boot 1. Power Switch error” on page 63. 2. System Board 3. Riser card, if installed. Computer will not RPL from server 1. Ensure that network is in startup sequence as first device or first device after diskette.

  • Page 72: Undetermined Problems

    Message/Symptom FRU/Action Non-system disk or disk error-type message with a 1. Diskette Drive known-good diagnostic diskette. 2. System Board 3. Diskette Drive Cable 1. Display Other display symptoms not listed above (including blank or illegible display) 2. System Board Power-on indicator or hard disk drive in-use light not on, 1.
  • Page 73 d. Extended video memory e. External Cache f. External Cache RAM g. Hard disk drive h. Diskette drive 3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues, replace the system board.
  • Page 74 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 75: Chapter 8. Locations

    Chapter 8. Locations This chapter introduces the locations of the computer hardware components. For machine types: 10B0, 10B1, 10B2, and 10B3 Locating connectors, controls, and indicators on the front of your computer Figure 1 “Front connector, control, and indicator locations” on page 69 shows the locations of the connectors, controls, and indicators on the front of your computer.

  • Page 76: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 70 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.

  • Page 77: Locating Major Frus And Crus

    Connector Description Audio line-in connector Used to receive audio signals from an external audio device, such as a stereo system. When you attach an external audio device, a cable is connected between the audio line-out connector of the device and the audio line-in connector of the computer.
  • Page 78 Figure 3. Component locations The following table lists the major FRUs shown in Figure 3 “Component locations” on page 72 and identifies which FRUs also are self-service CRUs or optional-service CRUs. Notes: ThinkCentre M73 Hardware Maintenance Manual...

  • Page 79: Looking Up Fru Information

    Mouse Looking up FRU information For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup Locating parts on the system board Note: Your computer comes with one of the following system boards. Chapter 8...
  • Page 80 Figure 4 “System board part locations” on page 74 shows the locations of the parts on one type of system board. Figure 4. System board part locations 4-pin power connector Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel) Microprocessor fan connector Front USB connector 2 (for connecting an additional USB...

  • Page 81: Locating Internal Drives

    Refer to the appropriate section in Chapter 9 “Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)” on page 89 for instructions on how to install or replace internal drives for your computer.

  • Page 82: For Machine Types: 10B4, 10B5, 10B6, And 10B7

    For machine types: 10B4, 10B5, 10B6, and 10B7 Locating connectors, controls, and indicators on the front of your computer Figure 6 “Front connector, control, and indicator locations” on page 76 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 6.

  • Page 83: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 7 “Rear connector locations” on page 77 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.

  • Page 84: Locating Major Frus And Crus

    Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Note: The DisplayPort connector is not applicable on some models. If your computer has a graphics card installed, be sure to use a monitor connector on the graphics card.
  • Page 85 Figure 8. Component locations The following table lists the major FRUs shown in Figure 8 “Component locations” on page 79 and identifies which FRUs also are self-service CRUs or optional-service CRUs. Chapter 8 Locations...

  • Page 86: Looking Up Fru Information

    Mouse Looking up FRU information For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup Locating parts on the system board Note: Your computer comes with one of the following system boards. ThinkCentre M73 Hardware Maintenance Manual...
  • Page 87 Figure 9 “System board part locations” on page 81 shows the locations of the parts on one type of system board. Figure 9. System board part locations 4-pin power connector Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel) Microprocessor fan connector Front USB connector 2 (for connecting an additional USB...

  • Page 88: Locating Internal Drives

    Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. When installing or replacing an internal drive, it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed.

  • Page 89: For Machine Types: 10Ax And 10Ay

    For machine types: 10AX and 10AY Locating connectors, controls, and indicators on the front of your computer Figure 11 “Front connector, control, and indicator locations” on page 83 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 11.

  • Page 90: Locating Connectors On The Rear Of Your Computer

    • The headset connector supports a microphone-integrated headset and does not support a conventional microphone. • By default, the Always On USB 3.0 connector enables you to charge some mobile digital devices and smartphones when your computer is in sleep or hibernation mode or is powered off. Locating connectors on the rear of your computer Figure 12 “Rear connector locations”...

  • Page 91: Locating Major Frus And Crus

    Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Note: The DisplayPort connector is not applicable on some models. If your computer has a graphics card installed, be sure to use a monitor connector on the graphics card.
  • Page 92 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 93: Looking Up Fru Information

    Mouse Looking up FRU information For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup Locating parts on the system board Note: Your computer comes with one of the following system boards. Chapter 8...
  • Page 94 Figure 14 “System board part locations” on page 88 shows the locations of the parts on the system board. Figure 14. System board part locations Serial (COM1) connector Memory slots (2) System fan connector Battery Microprocessor Mini PCI Express card slot Cover presence switch connector (intrusion SATA 3.0 connector switch connector)

  • Page 95: Chapter 9. Replacing Frus (Machine Types: 10B0, 10B1, 10B2, And 10B3)

    Chapter 9. Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3) This chapter provides information about the FRU replacement instructions. Not all FRUs are documented. Important: Ensure that you read and understand Chapter 2 “Safety information” on page 3 before replacing any FRU.

  • Page 96: Removing The Computer Cover

    Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to remove the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

  • Page 97: Removing And Reinstalling The Front Bezel

    4. To reinstall the front bezel, align the three plastic tabs on the right side of the front bezel with the corresponding holes in the chassis. Then, pivot the front bezel inwards until it snaps into position on the left side. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 98: Installing Or Replacing A Memory Module

    Figure 17. Reinstalling the front bezel What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 131. Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 99 • If you are installing a memory module, open the retaining clips of the memory slot into which you want to install the memory module. Figure 19. Opening the retaining clips Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 100: Installing Or Replacing A Pci Express Card

    7. Position the new memory module over the memory slot. Ensure that the notch on the memory module aligns correctly with the slot key on the system board. Push the memory module straight down into the slot until the retaining clips close. Figure 20.
  • Page 101 3. At the rear of the computer, remove the screw that secures the PCI Express card latch. Figure 21. Removing the screw that secures the PCI Express card latch Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 102 4. Depending on whether you are installing or replacing a PCI Express card, do one of the following: • If you are installing a PCI Express card, remove the appropriate metal slot cover. • If you are replacing an old PCI Express card, grasp the old card that is currently installed and gently pull it out of the slot.

  • Page 103: Replacing The Battery

    Refer to the “Lithium coin cell battery notice” in the Safety, Warranty, and Setup Guide for information about replacing and disposing of the battery. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 104: Installing Or Replacing The Optical Drive

    To replace the battery, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.
  • Page 105 5. Slide the new optical drive into the drive bay from the front and align the screw holes in the new optical drive with the corresponding holes in the drive bay. Then, install the three screws to secure the new optical drive in place. Figure 27. Installing the optical drive Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 106: Replacing The Slim Card Reader

    6. Connect one end of the signal cable to the rear of the new optical drive and the other end to an available SATA connector on the system board. See “Locating parts on the system board” on page 73. Then, locate an available four-wire power connector and connect it to the rear of the new optical drive.
  • Page 107 8. Align the new slim card reader in the slim card reader bracket and slide the slim card reader into the rail as shown until it stops. Then, install the two screws to secure the new slim card reader to the bracket. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 108 Figure 31. Installing the new slim card reader into the bracket 9. Route the cable of the new slim card reader through the corresponding hole for the slim card reader bracket in the front of the chassis. 10. Install the slim card reader bracket into the chassis so that the hole in the bracket is aligned with the corresponding hole in the chassis.

  • Page 109: Replacing The Heat Sink And Fan Assembly

    Note: Carefully remove the four screws from the system board to avoid any possible damage to the system board. The four screws cannot be removed from the heat sink and fan assembly. Figure 33. Removing the heat sink and fan assembly Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 110: Replacing The Power Supply Assembly

    7. Lift the failing heat sink and fan assembly off the system board. Notes: • You might have to gently twist the heat sink and fan assembly to free it from the microprocessor. • Do not touch the thermal grease while handling the heat sink and fan assembly. 8.
  • Page 111 If necessary, use a ballpoint pen to slide the voltage-selection switch to the correct position. • If the voltage supply range in your local country or region is 100–127 V ac, set the voltage-selection switch to 115 V. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 112: Replacing The Microprocessor

    9. Install and tighten the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo. 10. Reconnect the power supply assembly cables to the system board and each of the drives.
  • Page 113 8. Ensure that the small handle is in the raised position and the microprocessor retainer is fully open. 9. Remove the protective cover that protects the gold contacts of the new microprocessor. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 114: Replacing The System Board

    10. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align the notches on it with the tabs in the microprocessor socket. Then, carefully lower the new microprocessor straight down into the microprocessor socket. Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator.
  • Page 115 10. Install the new system board into the chassis by aligning the six screw holes in the new system board with the corresponding mounting studs on the chassis. Then, install the six screws to secure the system board. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 116: Installing The Solid-State Drive

    11. Install the heat sink and fan assembly and connect the heat-sink-and-fan-assembly cable to the new system board. See “Replacing the heat sink and fan assembly” on page 103. Note: If necessary, apply the appropriate amount of thermal grease on the bottom of the heat sink and fan assembly.

  • Page 117: Replacing The Primary Hard Disk Drive

    If you want to install a secondary hard disk drive, use the same way of installing the primary hard disk drive. 4. Disconnect the signal cable and the power cable from the hard disk drive. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 118 5. Remove the four screws that secure the hard disk drive. Then, slide the hard disk drive out of the chassis. Figure 41. Removing the hard disk drive ThinkCentre M73 Hardware Maintenance Manual...

  • Page 119: Replacing The Rear Fan Assembly

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 131. Replacing the rear fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 120 This section provides instructions on how to replace the rear fan assembly. To replace the rear fan assembly, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.

  • Page 121: Replacing The Front Audio And Usb Assembly

    5. Note the cable routing and connections. Then, disconnect the front audio and USB assembly cables from the system board. See “Locating parts on the system board” on page 73. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 122: Replacing The Thermal Sensor

    6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove the bracket from the chassis. Figure 46. Removing the screw that secures the front audio and USB assembly to the chassis 7. Remove the two screws that secure the front audio and USB assembly to its bracket and remove the failing front audio and USB assembly from the bracket.
  • Page 123 Then disengage the thermal-sensor plastic holder from the chassis. Figure 47. Removing the thermal sensor 7. Pull the entire thermal sensor out of the chassis. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 124: Replacing The Cover Presence Switch

    8. Insert the new thermal sensor cable into the hole in the chassis. Then align the two tabs on the thermal-sensor plastic holder with the two holes in the chassis, and push the plastic holder until it snaps into position. Figure 48.
  • Page 125 See “Locating parts on the system board” on page 73. 5. Remove the screw that secures the cover presence switch and remove the cover presence switch from the chassis. Figure 49. Removing the cover presence switch Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 126: Replacing The Wi-Fi Units

    6. Position the new cover presence switch so that the screw hole in the cover presence switch is aligned with the corresponding hole in the chassis. Then install the screw to secure the cover presence switch to the chassis. Figure 50. Installing the new cover presence switch 7.
  • Page 127 Note: The Bluetooth cable connects the Bluetooth connector on the Wi-Fi adapter card to the front USB connector on the system board to support the Bluetooth function. 4. At the rear of the computer, remove the screw that secures the PCI card latch. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 128 5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 52. Removing the WiFi adapter card Note: The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.
  • Page 129 Figure 53. Removing the Wi-Fi antenna cables 2. Remove the two screws that secure the Wi-Fi card module to the Wi-Fi adapter card. Figure 54. Removing the screws that secure the Wi-Fi card module Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 130 3. Pull the Wi-Fi card module out of the mini PCI Express slot to remove it from the Wi-Fi adapter card. Figure 55. Removing the Wi-Fi card module What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 131 1. Insert the Wi-Fi card module into the mini PCI Express slot, and then install the two screws to secure the Wi-Fi card module to the Wi-Fi adapter card. Figure 56. Installing the Wi-Fi card module Figure 57. Installing the screws that secure the Wi-Fi card module Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 132 2. Connect the front antenna cable and rear antenna cable to the Wi-Fi card module. Figure 58. Installing the Wi-Fi antenna cables 3. Install the Wi-Fi adapter card into the PCI Express x1 slot on the system board. See “Locating parts on the system board”...

  • Page 133: Installing Or Removing The Rear Wi-Fi Antenna

    1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 134: Installing Or Removing The Front Wi-Fi Antenna

    2. Remove the computer cover. See “Removing the computer cover” on page 90. 3. Straighten the rear Wi-Fi antenna so that it can be more easily twisted. 4. Hold the thicker end of the rear Wi-Fi antenna and unscrew the Wi-Fi antenna from the rear of the computer.
  • Page 135 5. Stick the front antenna to the front panel as shown. Then insert the front antenna cable through the hole in the front panel. Figure 63. Installing the front WiFi antenna 6. Connect the front antenna cable to the Wi-Fi card module. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)

  • Page 136: Replacing The Keyboard

    What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 131. Removing the front Wi-Fi antenna To remove the front Wi-Fi antenna, do the following: 1.

  • Page 137: Replacing The Mouse

    After completing the installation or replacement for all parts, you need to reinstall the computer cover and reconnect cables. To reinstall the computer cover and reconnect cables to your computer, do the following: Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 138 9. To update your configuration, refer to Chapter 6 “Using the Setup Utility program” on page 57. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
  • Page 139 Obtaining device drivers You can obtain device drivers for operating systems that are not preinstalled at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, and 10B3)
  • Page 140 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 141: Chapter 10. Replacing Frus (Machine Types: 10B4, 10B5, 10B6, And 10B7)

    This section provides instructions on how to install or replace hardware for your computer. Notes: 1. Use only computer parts provided by Lenovo. 2. When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.

  • Page 142: Removing The Computer Cover

    Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to remove the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.
  • Page 143 3. Remove the front bezel by releasing the three plastic tabs on the top of the front bezel and pivoting the front bezel outward to remove it from the computer. Carefully lay the front bezel aside without disconnecting the power switch and light-emitting diode (LED) assembly cable. Figure 69.

  • Page 144: Accessing The System Board Components And Drives

    Accessing the system board components and drives Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to access the system board components and drives. To access the system board components and drives, do the following: 1.

  • Page 145: Installing Or Replacing A Pci Express Card

    5. To lower the drive bay assembly, slightly press the drive bay assembly clip inward and pivot the drive bay assembly downward as shown. Figure 72. Lowering the drive bay assembly What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 146 Figure 73. Removing a PCI Express card Notes: – The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot. – If the card is held in place by a retaining latch, press the card retaining latch as shown to disengage the latch.

  • Page 147: Installing Or Replacing A Memory Module

    7. Install the new PCI Express card into the appropriate PCI Express card slot on the system board. Then, install the screw to secure the new PCI Express card in place. Figure 74. Installing a PCI Express card 8. If necessary, connect any cables between the PCI Express card and the system board. See “Locating parts on the system board”...
  • Page 148 6. Locate the memory slots. See “Locating parts on the system board” on page 80. 7. Pivot the drive bay assembly upward to access all the internal drives, cables, and other components. Figure 75. Pivoting the drive bay assembly upward 8.

  • Page 149: Replacing The Battery

    • If you are installing a memory module, open the retaining clips of the memory slot into which you want to install the memory module. Figure 77. Opening the retaining clips 10. Position the new memory module over the memory slot. Ensure that the notch on the new memory module is aligned with the key in the slot.
  • Page 150 Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-port assignments (configuration). A battery keeps this information active when you turn off the computer. The battery normally requires no charging or maintenance throughout its life; however, no battery lasts forever.

  • Page 151: Replacing The Hard Disk Drive

    11. Use the Setup Utility program to set the date, time, and any passwords. See Chapter 6 “Using the Setup Utility program” on page 57. Replacing the hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.
  • Page 152 5. Hold the hard disk drive and remove the four screws that secure the hard disk drive. Then, remove the hard disk drive from the drive bay assembly. Figure 82. Removing the hard disk drive 6. Disconnect the signal cable and the power cable from the hard disk drive to completely remove the hard disk drive from the chassis.

  • Page 153: Replacing The Solid-State Drive

    8. Position the new hard disk drive into the hard disk drive bay and align the screw holes in the new hard disk drive with the corresponding holes in the drive bay. Then, install the four screws to secure the new hard disk drive in place.
  • Page 154 1. Remove the four screws that secure the solid-state drive to the storage converter. Then, remove the drive from the converter as shown. Figure 85. Removing the solid-state drive from the storage converter 2. Take the new solid-state drive out of the static-protective package. 3.
  • Page 155 Replacing the solid-state drive on the bottom of the optical drive bay To replace the solid-state drive on the bottom of the optical drive bay, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
  • Page 156 7. Remove the four screws that secure the solid-state drive to the bracket. Then, slide the drive as shown to remove it from the bracket. Figure 88. Removing the solid-state drive from the bracket 8. Take the new solid-state drive out of the static-protective package. 9.
  • Page 157 10. Carefully slide the solid-state drive bracket downward until it is secured by the three retaining clips the bottom of the optical drive bay. Figure 90. Installing the solid-state drive bracket Chapter 10 Replacing FRUs (machine types: 10B4, 10B5, 10B6, and 10B7)

  • Page 158: Installing Or Replacing The Optical Drive

    11. Install the screw to secure the bracket on the bottom of the optical drive bay. Figure 91. Installing the screw to secure the bracket on the bottom of the optical drive bay 12. Connect one end of the signal cable to the bottom of the new solid-state drive and the other end to an available SATA connector on the system board.
  • Page 159 6. Hold the optical drive and remove the two screws that secure the optical drive. Figure 92. Removing the optical drive screws 7. Slightly press the drive bay assembly clip inward and pivot the drive bay assembly downward as shown. Figure 93.
  • Page 160 8. Slide the optical drive out of the front of the computer. Figure 94. Removing the optical drive 9. Slide the new optical drive into the optical drive bay from the front of the computer. Figure 95. Installing a new optical drive ThinkCentre M73 Hardware Maintenance Manual...

  • Page 161: Replacing The Slim Card Reader

    10. Hold the new optical drive and pivot the drive bay assembly upward. Align the screw holes in the new optical drive with the corresponding holes in the drive bay. Then, install the two screws to secure the new optical drive in place. Figure 96.
  • Page 162 Note: The slim card reader is only available in some models. To replace the slim card reader, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.
  • Page 163 7. Take the new slim card reader out of the static-protective package by its sides. 8. Align the new slim card reader in the slim card reader bracket and slide the slim card reader into the rail as shown until it stops. Then, install the two screws to secure the new slim card reader to the bracket. Figure 100.

  • Page 164: Replacing The Heat Sink And Fan Assembly

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 186. Replacing the heat sink and fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.

  • Page 165: Remove The Screw

    7. Follow the following sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a. Partially remove the screw , then fully remove the screw , then fully remove the screw b. Partially remove the screw , then fully remove the screw , then fully remove the screw Note: Carefully remove the four screws from the system board to avoid any possible damage to the...

  • Page 166: Replacing The Power Supply Assembly

    12. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position. Figure 104. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. •...

  • Page 167: Replacing Frus (Machine Types: 10B4, 10B5, 10B6, And 10B7)

    CAUTION: Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.
  • Page 168 7. At the rear of the computer, remove the three screws that secure the power supply assembly. Press the retaining clip downward and slide the power supply assembly to the front of the computer. Then, lift the power supply assembly out of the computer. Figure 106.
  • Page 169 Then, install the three screws to secure the new power supply assembly. Note: Use only screws provided by Lenovo. Figure 107. Installing the power supply assembly 10. Connect the new power supply assembly cables to all drives and the system board. See “Locating parts on the system board”...

  • Page 170: Replacing The Microprocessor

    11. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the two screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly. Install the two screws to secure the heat sink fan duct.
  • Page 171 5. Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 158. Note: Do not let the thermal grease on the bottom of the heat sink and fan assembly get in contact with anything. 6.
  • Page 172 8. Lift the microprocessor straight up and out of the microprocessor socket. Notes: • Your microprocessor and socket might look different from the one illustrated. • Touch only the edges of the microprocessor. Do not touch the gold contacts on the bottom. •...

  • Page 173: Replacing The System Board

    11. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align the notches on it with the tabs in the microprocessor socket. Then, carefully lower the new microprocessor straight down into the microprocessor socket. Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator.
  • Page 174 To replace the system board, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.

  • Page 175: Replacing The Front Fan Assembly

    11. Install the new system board into the chassis by aligning the six screw holes in the new system board with the corresponding mounting studs on the chassis. Then, install the six screws to secure the system board. 12. Install the heat sink and fan assembly and connect the heat-sink-and-fan-assembly cable to the new system board.
  • Page 176 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See “Removing the computer cover” on page 136. 3.

  • Page 177: Replacing The Front Audio And Usb Assembly

    8. Install the new front fan assembly by aligning the four new rubber mounts on the new front fan assembly with the corresponding holes in the chassis and push the rubber mounts through the holes. Pull the tip of each rubber mount from the outer side of the front panel until all rubber mounts go through the holes and secure the front fan assembly in place.

  • Page 178: Replacing The Thermal Sensor

    4. Pivot the drive bay assembly upward and disconnect the front audio and USB assembly cables from the system board and note the cables routing. See “Locating parts on the system board” on page 80. 5. Lower the drive bay assembly. See “Accessing the system board components and drives” on page 138. 6.
  • Page 179 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See “Removing the computer cover” on page 136. 3.

  • Page 180: Replacing The Wi-Fi Units

    9. Insert the connector and cable of the new thermal sensor into the hole in the chassis. Then, align the two tabs on the plastic holder holding the thermal sensor with the two holes in the chassis, and push the plastic holder until it snaps into position. Figure 118.
  • Page 181 Removing the Wi-Fi adapter card To remove the Wi-Fi adapter card, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.
  • Page 182 6. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 121. Removing the WiFi adapter card Note: The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.
  • Page 183 3. Pull the Wi-Fi card module out of the mini PCI Express slot. Figure 123. Removing the WiFi card module What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 186. Installing the Wi-Fi units To install the Wi-Fi units, do the following: 1.
  • Page 184 Figure 125. Installing the WiFi card module 3. Connect the front Wi-Fi antenna cable and rear Wi-Fi antenna cable to the Wi-Fi card module. Figure 126. Connecting the Wi-Fi antenna cables 4. Locate the two PCI Express x1 slots on the system board. See “Locating parts on the system board” on page 80.
  • Page 185 5. Install the Wi-Fi adapter card into one of the two PCI Express x1 slots on the system board. Then, install the screw to secure the WiFi adapter card in place. Figure 127. Installing the WiFi adapter card 6. If the installed Wi-Fi card module supports the Bluetooth function, use a Bluetooth cable to connect the Bluetooth connector on the Wi-Fi adapter card to the front USB connector 1 on the system board.

  • Page 186: Installing Or Removing The Rear Wi-Fi Antenna

    Installing or removing the rear Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to install or remove the rear Wi-Fi antenna. Installing the rear Wi-Fi antenna To install the rear Wi-Fi antenna, do the following: 1.
  • Page 187 5. Install the rear Wi-Fi antenna to the rear Wi-Fi antenna cable connector. Then, adjust the angle of the rear Wi-Fi antenna to prevent accidental breakage of the antenna. Figure 131. Installing the rear WiFi antenna 6. Connect the rear Wi-Fi antenna cable to the Wi-Fi card module. See “Replacing the Wi-Fi units” on page 174.

  • Page 188: Installing Or Removing The Front Wi-Fi Antenna

    4. Hold the thicker end of the rear Wi-Fi antenna and unscrew the Wi-Fi antenna from the rear of the computer. Figure 132. Removing the rear Wi-Fi antenna 5. Remove the Wi-Fi adapter card. See “Removing the Wi-Fi card module” on page 176. 6.
  • Page 189 Installing the front Wi-Fi antenna To install the front Wi-Fi antenna, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.

  • Page 190: Replacing The Keyboard

    6. Connect the front Wi-Fi antenna cable to the Wi-Fi card module. See “Replacing the Wi-Fi units” on page 174. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 186. Removing the front WiFi antenna To remove the front WiFi antenna, do the following: 1.

  • Page 191: Replacing The Mouse

    2. Connect a new keyboard to the appropriate connector on the computer. Your keyboard might be connected to a PS/2 keyboard connector or a USB connector . Depending on where you want to connect the new keyboard, see “Locating connectors, controls, and indicators on the front of your computer”...

  • Page 192: Completing The Parts Replacement

    57. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
  • Page 193 Obtaining device drivers You can obtain device drivers for operating systems that are not preinstalled at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. Chapter 10 Replacing FRUs (machine types: 10B4, 10B5, 10B6, and 10B7)
  • Page 194 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 195: Chapter 11. Replacing Frus (Machine Types: 10Ax And 10Ay)

    This section provides instructions on how to install or replace hardware for your computer. Notes: 1. Use only computer parts provided by Lenovo. 2. When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.

  • Page 196: Installing Or Removing The Ac Power Adapter

    Installing or removing the ac power adapter Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to install or remove the ac power adapter. To install the ac power adapter, connect the ac power adapter to the ac power adapter connector at the rear of your computer and a workable electrical outlet.

  • Page 197: Installing Or Removing The Vertical Stand

    2. Remove the power cord from the ac power adapter cable loop at the rear of the computer and then disconnect the ac power adapter cable from the computer. Figure 141. Disconnecting the ac power adapter Installing or removing the vertical stand Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 198 1. Turn off the computer. 2. Align the rear of the computer with the rear of the vertical stand and position the computer on the vertical stand as shown. Figure 142. Installing the vertical stand To remove the vertical stand, do the following: 1.

  • Page 199: Installing Or Removing The Vesa Mount Bracket

    2. Lift the computer to remove it from the vertical stand. Figure 143. Removing the computer from the vertical stand Installing or removing the VESA mount bracket Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.
  • Page 200 2. Slide the computer into the VESA mount bracket. Figure 144. Installing the VESA mount bracket 3. Install the two screws to secure the VESA mount bracket to the computer. Figure 145. Installing the screws to secure the VESA mount bracket To remove the VESA mount bracket, do the following: 1.

  • Page 201: Installing Or Removing The Ac Power Adapter Bracket

    2. Remove the two screws that secure the VESA mount bracket to the computer. Figure 146. Removing the screws that secure the VESA mount bracket 3. Slide the computer toward the front of the VESA mount bracket to remove the VESA mount bracket from the computer.
  • Page 202 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Pull the tab and then slide the ac power adapter bracket as shown to remove it from the VESA mount bracket.

  • Page 203: Replacing The Optical Drive

    To install the ac power adapter bracket to the VESA mount bracket, align the two tabs on the ac power adapter bracket with the slots in the VESA mount bracket, and then slide the ac power adapter bracket as shown to install it on the VESA mount bracket. Figure 149.
  • Page 204 3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box as shown to remove it from the VESA mount bracket. Figure 150. Removing the optical drive box 4. Remove the screw that secures the optical drive in the optical drive box. Use a screwdriver to slide the optical drive forward and then remove the optical drive from the optical drive box.
  • Page 205 5. Remove the two screws that secure the optical drive metal plate and then remove the metal plate from the optical drive. Figure 152. Removing the optical drive metal plate 6. Align the two screw holes in the optical drive metal plate with the corresponding holes in the new optical drive and then install the two screws to secure the metal plate on the new optical drive.
  • Page 206 7. Slide the new optical drive into the optical drive box until it snaps into position. Figure 154. Installing the optical drive into the optical drive box 8. Install the screw that secures the optical drive in the optical drive box. Figure 155.
  • Page 207 9. Align the two holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box as shown to install it on the VESA mount bracket. Figure 156. Installing the optical drive box Chapter 11 Replacing FRUs (machine types: 10AX and 10AY)

  • Page 208: Replacing The Secondary Hard Disk Drive

    10. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 157. Installing the screw that secures the optical drive box 11. Connect the optical drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...
  • Page 209 3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box as shown to remove it from the VESA mount bracket. Figure 158. Removing the optical drive box 4. Slide the release button on the optical drive box and then remove the secondary hard disk drive adapter from the optical drive box.
  • Page 210 5. Flex the sides of the hard disk drive adapter bracket and then pivot the hard disk drive adapter to remove the adapter from the adapter bracket. Figure 160. Removing the hard disk drive adapter from the adapter bracket 6. To remove the hard disk drive from the adapter, lift the adapter retaining latch. Slide the hard disk drive towards the retaining latch and then lift the hard disk drive out of the adapter.
  • Page 211 8. Install the new hard disk drive into the adapter as shown. Then, lower the adapter retaining latch until it snaps into position. Figure 163. Installing the hard disk drive into the adapter 9. Position the adapter into the adapter bracket and then pivot the adapter downward until it snaps into position.
  • Page 212 10. Slide the hard disk drive adapter bracket into the optical drive box until it snaps into position. Figure 165. Installing the adapter bracket into the optical drive box ThinkCentre M73 Hardware Maintenance Manual...
  • Page 213 11. Align the two holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box as shown to install it on the VESA mount bracket. Figure 166. Installing the optical drive box Chapter 11 Replacing FRUs (machine types: 10AX and 10AY)

  • Page 214: Installing Or Removing The I/O Box

    12. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 167. Installing the screw that secures the optical drive box 13. Connect the secondary hard disk drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...
  • Page 215 3. Remove the screw that secures the I/O box on the VESA mount bracket and then slide the I/O box as shown to remove it from the VESA mount bracket. Figure 168. Removing the I/O box To install the I/O box, do the following: 1.
  • Page 216 2. Align the two holes in the I/O box with the two screws on the VESA mount bracket and then slide the I/O box as shown to install it on the VESA mount bracket. Figure 169. Installing the I/O box ThinkCentre M73 Hardware Maintenance Manual...

  • Page 217: Removing The Computer Cover

    3. Install the screw to secure the I/O box on the VESA mount bracket. Figure 170. Installing the screw to secure the I/O box 4. Connect the I/O box cable to a USB connector on the rear of your computer. See “Locating connectors on the rear of your computer”...
  • Page 218 4. Remove the screw that secures the computer cover. Figure 171. Removing the screw that secures the computer cover ThinkCentre M73 Hardware Maintenance Manual...

  • Page 219: Installing Or Removing The Hard Disk Drive Assembly

    5. Slide the computer cover toward the front of the computer a small amount. Then, lift the computer cover to remove it from the computer. Figure 172. Removing the computer cover Installing or removing the hard disk drive assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 220 5. Remove the two screws that secure the hard disk drive assembly. Slide the hard disk drive assembly as shown, and then lift the hard disk drive assembly to remove it from the chassis. Figure 173. Removing the hard disk drive assembly To install the hard disk drive assembly, do the following: 1.

  • Page 221: Installing Or Replacing A Memory Module

    2. Install the two screws to secure the hard disk drive assembly. Figure 175. Installing the screws to secure the hard disk drive assembly 3. Connect the signal cable and the power cable to the hard disk drive. What to do next: •...

  • Page 222: Replacing The Battery

    Figure 176. Removing the memory module 6. Insert the notched end of the new memory module into the slot . Press the memory module firmly and pivot the memory module until it snaps into place. Make sure that the memory module is secured in the slot and does not move easily.
  • Page 223 The battery normally requires no charging or maintenance throughout its life; however, no battery lasts forever. If the battery fails, the date, time, and configuration information (including passwords) are lost. An error message is displayed when you turn on the computer. Refer to the “Lithium battery notice”...

  • Page 224: Replacing The Power Switch Board

    Replacing the power switch board Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to replace the power switch board. To replace the power switch board, do the following: 1.

  • Page 225: Replacing The Wi-Fi Card Module

    7. Align the hole in the new power switch board with the tab on the computer and position the new power switch board onto the chassis. Then, install the screw to secure the new power switch board on the chassis. Figure 181.
  • Page 226 2. Remove the computer cover. See “Removing the computer cover” on page 211. 3. Remove the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” on page 213. 4. Locate the Wi-Fi card module in the computer. See “Locating major FRUs and CRUs” on page 85. 5.

  • Page 227: Installing Or Removing The Front Wi-Fi Antenna

    9. Reinstall the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” on page 213. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 239. Installing or removing the front Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 228 6. Route the front Wi-Fi antenna cable through the five hooks on the hard disk drive bracket as shown. Figure 188. Routing the front Wi-Fi antenna cable 7. Reinstall the hard disk drive assembly without connecting the signal cable and power cable. See “Installing or removing the hard disk drive assembly”...

  • Page 229: Installing Or Removing The Rear Wi-Fi Antenna

    5. Release the front Wi-Fi antenna cable from the hooks on the hard disk drive bracket. Then, unstick the front Wi-Fi antenna from the hard disk drive bracket. Figure 190. Removing the front Wi-Fi antenna cable What to do next: •...
  • Page 230 3. Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident. Figure 191. Installing the rear Wi-Fi antenna To remove the rear Wi-Fi antenna, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.

  • Page 231: Replacing The Internal Speaker

    Replacing the internal speaker Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to replace the internal speaker. To replace the internal speaker, do the following: 1.
  • Page 232 7. Press the tab that secures the internal speaker as shown and then lift the internal speaker out of the internal speaker holder. Figure 194. Removing the internal speaker 8. Press the tab as shown and insert the new internal speaker into the internal speaker holder until the new internal speaker snaps into position and is secured by the tab Figure 195.

  • Page 233: Replacing The Cover Presence Switch

    9. Secure the cable of the new internal speaker in the retaining clip on the side of the thermal module bracket. Figure 196. Securing the internal speaker cable 10. Connect the cable of the new internal speaker to the internal speaker connector on the system board. See “Locating parts on the system board”...
  • Page 234 5. Pull the cover presence switch to remove it from the heat sink bracket. Figure 197. Removing the cover presence switch 6. Attach the new cover presence switch to the thermal module. Figure 198. Installing the cover presence switch 7. Connect the cable of the new cover presence switch to the cover presence switch connector on the system board.

  • Page 235: Replacing The System Fan

    What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 239. Replacing the system fan Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.
  • Page 236 5. Remove the three screws that secure the system fan to the thermal module, and then lift the system fan to remove it from the computer. Figure 199. Removing the system fan ThinkCentre M73 Hardware Maintenance Manual...

  • Page 237: Replacing The Thermal Module

    6. Position the new system fan on the chassis so that the three screw holes in the new system fan are aligned with the screw posts on the thermal module. Then, install the three screws to secure the new system fan to the computer. Figure 200.
  • Page 238 2. Remove the computer cover. See “Removing the computer cover” on page 211. 3. Locate the thermal module in the computer. See “Locating major FRUs and CRUs” on page 85. 4. Remove the internal speaker. See “Replacing the internal speaker” on page 225. 5.

  • Page 239: Replacing The Microprocessor

    8. Install the new thermal module into the chassis as shown. Ensure that the four screws on the new thermal module are aligned with corresponding holes in the system board. Figure 202. Installing the thermal module 9. Follow the clockwise sequence of , and to install the four screws to secure the new thermal module.
  • Page 240 4. Lift the small handle and open the retainer to access the microprocessor Figure 203. Accessing the microprocessor 5. Lift the microprocessor straight up and out of the microprocessor socket. Notes: • Your microprocessor and socket might look different from the one illustrated. •...

  • Page 241: Replacing The System Board

    8. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align the notches on it with the tabs in the microprocessor socket. Then, carefully lower the new microprocessor straight down into the microprocessor socket. Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator.
  • Page 242 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See “Removing the computer cover” on page 211. 3.
  • Page 243 10. Carefully pivot the failing system board upward to remove it out of the chassis. Figure 207. Removing the system board 11. Remove the microprocessor from the failing system board and install it on the new system board. See “Replacing the microprocessor” on page 233. 12.

  • Page 244: Replacing The Keyboard Or Mouse

    14. Reinstall the system fan. See “Replacing the system fan” on page 229. 15. If you have removed the Wi-Fi card module, reinstall the Wi-Fi card module. See “Replacing the Wi-Fi card module” on page 219. 16. Install all memory modules removed from the failing system board onto the new system board. See “Installing or replacing a memory module”...

  • Page 245: Completing The Parts Replacement

    2. Connect a new keyboard or mouse to one of the USB connectors on the computer. Depending on where you want to connect the new keyboard or mouse, see “Locating connectors, controls, and indicators on the front of your computer” on page 83 or “Locating connectors on the rear of your computer”...
  • Page 246 3. Position the computer cover on the chassis and then push the cover to the rear of the computer until it snaps into position. Figure 211. Installing the computer cover ThinkCentre M73 Hardware Maintenance Manual...

  • Page 247: Obtaining Device Drivers

    6. To update your configuration, refer to Chapter 6 “Using the Setup Utility program” on page 57. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
  • Page 248 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 249: Chapter 12. Additional Service Information

    – Start the Setup Utility. – Select Main menu. • Sources for obtaining the latest level BIOS available 1. Lenovo support web site: http://www.lenovo.com/support/ 2. Lenovo Customer Support Center 3. Levels 1 and 2 Support To update (flash) the BIOS, see “Flash update procedures” on page 243.

  • Page 250: Updating (Flashing) The Bios From A Disc

    Note: You can download a self-starting bootable disc image (known as an ISO image) with the system program updates to create a system-program-update disc. Go to http://www.lenovo.com/support. To update (flash) the BIOS from a disc on the Windows 8 (64-bit) or Windows 8.1 (64-bit) operating system, do the following: 1.

  • Page 251: Updating (Flashing) The Bios From Your Operating System

    Updating (flashing) the BIOS from your operating system Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure. To update (flash) the BIOS from your operating system, do the following: 1.

  • Page 252: Power Management

    Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors. Advanced configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the setting for Advanced Power Management (APM) BIOS mode is ignored.

  • Page 253: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 254: Television Output Notice

    Macrovision Corporation. Reverse engineering or disassembly is prohibited. European conformance CE mark Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo Rescue and Recovery...

  • Page 255: Index

    133, 187, 241 installing, replacing devices, handling static-sensitive 89, 135, 189 memory module diagnostic program internal speaker, replacing diagnostics, troubleshooting DisplayPort connector 71, 78, 85 drivers, device 133, 187, 241 drives bays 75, 82 keyboard © Copyright Lenovo 2013...
  • Page 256 71, 78 keyboard, replacing rear connectors 70, 77, 84 rear fan assembly, replacing Lenovo Solution Center rear Wi-Fi antenna, installing or removing locating components 71, 78, 85 rear Wi-Fi antenna, installing, removing 127, 180 looking up part numbers...
  • Page 257 VGA monitor connector 71, 78, 85 viewing and changing settings Wi-Fi card module, replacing Wi-Fi units, Wi-Fi adapter card, Wi-Fi card module, Wi-Fi antenna cable, replacing Wi-Fi units, Wi-Fi adapter card, Wi-Fi card module, Wi-Fi antenna cable, replacing © Copyright Lenovo 2013...
  • Page 258 ThinkCentre M73 Hardware Maintenance Manual...

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