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Lenovo 90AH Maintenance Manual

Lenovo 90AH Maintenance Manual

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Lenovo M5800
Hardware Maintenance Manual
Machine Types: 90AH and 10155

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  • Page 1 Lenovo M5800 Hardware Maintenance Manual Machine Types: 90AH and 10155...
  • Page 2 “Safety information” on page 1 and Appendix A “Notices” on page 109. First Edition (August 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

  • Page 3: Table Of Contents

    Specifications ....Changing the BIOS settings before installing a new Lenovo Support Web site ..operating system....
  • Page 4 Index....BIOS levels ....Lenovo M5800 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: This manual is intended only for trained service technicians who are familiar with Lenovo desktop computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a Lenovo desktop computer, be sure to read and understand Chapter 1 “Safety information” on page 1.

  • Page 7: Chapter 1. Safety Information

    Observe the following rules when working on electrical equipment. © Copyright Lenovo 2013...
  • Page 8 (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Lenovo M5800 Hardware Maintenance Manual...

  • Page 9: Voltage-Selection Switch

    Voltage-selection switch Some computers are equipped with a voltage-selection switch located near the power-cord connection point on the computer. If your computer has a voltage-selection switch, ensure that you set the switch to match the voltage available at your electrical outlet. Setting the voltage-selection switch incorrectly can cause permanent damage to the computer.

  • Page 10: Handling Electrostatic Discharge-Sensitive Devices

    Safety notices (multi-lingual translations) The caution and danger safety notices in this section are provided in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) Lenovo M5800 Hardware Maintenance Manual...
  • Page 11 • French • German • Hebrew • Italian • Korean • Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.
  • Page 12 The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. Lenovo M5800 Hardware Maintenance Manual...
  • Page 13 Chapter 1 Safety information...
  • Page 14 ≥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. Lenovo M5800 Hardware Maintenance Manual...
  • Page 15 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 16 O dispositivo também pode ter mais de um cabo de alimentação. Para remover toda a corrente elétrica do dispositivo, assegure que todos os cabos de alimentação estejam desconectados da fonte de alimentação. Lenovo M5800 Hardware Maintenance Manual...
  • Page 17 Chapter 1 Safety information...
  • Page 18 Lenovo M5800 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 • l'exposer à des températures supérieures à 100°C, • chercher à la réparer ou à la démonter. Ne pas mettre la pile à la poubelle. Pour la mise au rebut, se reporter à la réglementation en vigueur. Lenovo M5800 Hardware Maintenance Manual...
  • Page 21 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 22 Lithiumbatterie, dieses nur durch ein Modul desselben Typs und von demselben Hersteller ersetzen. Die Batterie enthält Lithium und kann bei unsachgemäßer Verwendung, Handhabung oder Entsorgung explodieren. Die Batterie nicht: • mit Wasser in Berührung bringen. Lenovo M5800 Hardware Maintenance Manual...
  • Page 23 • 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 24 Lenovo M5800 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 • Riscaldarla ad una temperatura superiore ai 100 gradi C (212 gradi F) • Smontarla, ricaricarla o tentare di ripararla Le batterie usate vanno smaltite in accordo alla normativa in vigore (DPR 915/82 e successive disposizioni e disposizioni locali). Lenovo M5800 Hardware Maintenance Manual...
  • Page 27 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 28 Lenovo M5800 Hardware Maintenance Manual...
  • Page 29 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 30 • No quite las cubiertas. Si quita las cubiertas del producto láser, podría quedar expuesto a radiación láser peligrosa. Dentro del dispositivo no existe ninguna pieza que requiera servicio técnico. • Si usa controles o ajustes o realiza procedimientos que no sean los especificados aquí, podría exponerse a radiaciones peligrosas. PELIGRO Lenovo M5800 Hardware Maintenance Manual...
  • Page 31 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 32 Lenovo M5800 Hardware Maintenance Manual...

  • Page 33: Chapter 2. General Information

    Input frequency range: 50 to 60 Hz Voltage-selection switch setting: 115 V ac – High range: Minimum: 200 V ac Maximum: 240 V ac Input frequency range: 50 to 60 Hz Voltage-selection switch setting: 230 V ac © Copyright Lenovo 2013...

  • Page 34: Lenovo Support Web Site

    Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at: http://www.lenovo.com/support This Web site is updated with the latest support information such as the following: • Drivers and software • Diagnostic solutions • Product and service warranty •...

  • Page 35: Chapter 3. 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 36 7. Have the same configuration options set in the system 8. Have the same setup for operating-system-controlled files Comparing the configuration and software set-up between “working and non-working” systems will often lead to problem resolution. Lenovo M5800 Hardware Maintenance Manual...

  • Page 37: Chapter 4. Troubleshooting And Diagnostics

    “Lenovo Support Web site” on page 28 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems. Note: If you cannot correct the problem, have the computer serviced. Go to the Lenovo Support Web site at http://www.lenovo.com/support/phone. Symptom...

  • Page 38: Accessing Control Panel On The Windows 8 Operating System

    • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 28 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 28 for more information.

  • Page 39: Audio Problems

    1. Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, make sure you review and follow the electrical safety information provided with your computer. For your safety, do not operate the computer with the cover removed. 2.

  • Page 40: 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 diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.

  • Page 41: 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 diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.

  • Page 42: Intermittent Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.

  • Page 43: Hard Disk Drive Problems

    If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 47. If you need technical assistance, see “Lenovo Support Web site” on page 28. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...

  • Page 44: The Wireless Keyboard Does Not Work

    See “Enabling or disabling a device” on page 51. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.

  • Page 45: Monitor Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.

  • Page 46: Networking Problems

    Then click the Monitor tab and select a new refresh rate. • 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 28 for details.
  • Page 47 • “The adapter stops working for no apparent reason” on page 41 • “If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur” on page 41 • “If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps”...
  • Page 48 5. If you are using Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. If you are using AV profile, select Stereo Audio and click the Set Default button. 6. Click OK to close the Sound window. Lenovo M5800 Hardware Maintenance Manual...

  • Page 49: Option Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.
  • Page 50 2. Open the Windows Explorer and click Computer. 3. Right-click your C drive entry and then click Properties. 4. Click the Tools tab. 5. Click Optimize. 6. Click Optimize again to start a disk-defragmentation process. Lenovo M5800 Hardware Maintenance Manual...

  • Page 51: Printer Problems

    28. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 75. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 47 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 28.

  • Page 52: Software Problems

    • If you are unable to resolve the problem through other methods, uninstall the software program and reinstall it. If these actions do not correct the problem, you might need technical assistance. Contact your software manufacturer or see “Lenovo Support Web site” on page 28 for details. USB problems Symptom: The USB connectors cannot be accessed.

  • Page 53: Diagnostics

    For additional information, refer to the Lenovo Solution Center help system. 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. Chapter 4...
  • Page 54 Lenovo M5800 Hardware Maintenance Manual...

  • Page 55: Chapter 5. Using The Setup Utility Program

    • 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. © Copyright Lenovo 2013...

  • Page 56: Password Considerations

    3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Lenovo M5800 Hardware Maintenance Manual...

  • Page 57: Erasing Lost Or Forgotten Passwords (Clearing Cmos)

    Note: A password can be any combination of up to 64 alphabetic and numeric characters. For more information, see “Password considerations” on page 50. Erasing lost or forgotten passwords (clearing CMOS) This section provides instructions on how to erase lost or forgotten passwords, such as a user password. To erase a lost or forgotten password, do the following: 1.

  • Page 58: Selecting A Temporary Startup Device

    3. Select Wake Up on Alarm and press Enter. Then follow the instructions on the screen. 4. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit. Lenovo M5800 Hardware Maintenance Manual...

  • Page 59: Changing The Bios Settings Before Installing A New Operating System

    • Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after a sudden loss of electricity. To enable the after power loss feature, do the following: 1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 49. 2.
  • Page 60 Lenovo M5800 Hardware Maintenance Manual...

  • Page 61: Chapter 6. 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 62: Post Error Codes

    0164 Memory size decreased This error message is displayed when the memory size has decreased. Press F1 to enter the Setup Utility program. Then press F10 to save and exit the Setup Utility program. Lenovo M5800 Hardware Maintenance Manual...
  • Page 63 POST Error code POST Error message Description/Action 1762 This error message is displayed when a hard disk Configuration change has occurred drive or optical drive change has been made. Press F1 to enter the Setup Utility program. Then press F10 to save and exit the Setup Utility program.

  • Page 64: Miscellaneous Error Messages

    Intensity or color varies from left to right of characters 1. Display and color bars 2. Video adapter (if present) 3. System Board No power or fan not running 1. See “Hard disk drive boot error” on page 55. Lenovo M5800 Hardware Maintenance Manual...

  • Page 65: 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 66 4. Repeat steps 1 through 3 until you find the failing device or adapter cards. If all devices and adapter cards have been removed, and the problem continues, replace the system board. See “Replacing the system board” on page 84. Lenovo M5800 Hardware Maintenance Manual...

  • Page 67: Chapter 7. Locations

    Figure 1. Front connector, control, and indicator locations Hard disk drive activity indicator USB 2.0 connector Power switch Microphone connector Power indicator Headphone connector Optical drive eject/close button USB 2.0 connector © Copyright Lenovo 2013...

  • Page 68: Locating Connectors On The Rear Of Your Computer

    PS/2 keyboard and mouse connectors (optional) Locating major FRUs Figure 3 “Component locations” on page 63 shows the locations of the various components in your computer. To remove the computer cover, see “Removing the computer cover” on page 69. Lenovo M5800 Hardware Maintenance Manual...
  • Page 69 Figure 3. Component locations The following table lists the major FRUs shown in Figure 3 “Component locations” on page 63. Chapter 7 Locations...
  • Page 70 Front audio and USB assembly Front bezel Thermal sensor Hard disk drive Battery System board WiFi card module WiFi adapter card Rear WiFi antenna Peripheral Component Interconnect (PCI) card (installed in some models) System fan Keyboard Mouse Lenovo M5800 Hardware Maintenance Manual...

  • Page 71: Locating Parts On The System Board

    Locating parts on the system board Figure 4 “System board part locations” on page 65 shows the locations of the parts on the system board. Figure 4. System board part locations Chapter 7 Locations...

  • Page 72: Locating Internal Drives

    Refer to the appropriate section in “Installing or replacing hardware” on page 69 for instructions on how to install or replace internal drives for your computer. Lenovo M5800 Hardware Maintenance Manual...
  • Page 73 Figure 5 “Drive bay locations” on page 67 shows the locations of the drive bays. Figure 5. Drive bay locations Bay 1 - Optical drive bay (with an optical drive installed on some models) Bay 2 - Primary hard disk drive bay (with a 3.5-inch SATA hard disk drive installed) Bay 3 - Secondary hard disk drive bay Chapter 7 Locations...
  • Page 74 Lenovo M5800 Hardware Maintenance Manual...

  • Page 75: Chapter 8. Replacing Frus

    Do not open your computer or attempt any repair before reading and understanding Chapter 1 “Safety information” on page 1. 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 76: Removing And Reinstalling The Front Bezel

    Removing and reinstalling the front bezel Attention: Do not open your computer or attempt any repair before reading and understanding Chapter 1 “Safety information” on page 1. This section provides instructions on how to remove and reinstall the front bezel. Lenovo M5800 Hardware Maintenance Manual...

  • Page 77: Installing Or Replacing A Pci Card

    To remove and reinstall the front bezel, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 69. 3. Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the front bezel outward.
  • Page 78 Figure 8. Removing the screw that secures the PCI card latch 4. Depending on whether you are installing or replacing a PCI card, do one of the following: • If you are installing a PCI card, remove the appropriate metal slot cover. Lenovo M5800 Hardware Maintenance Manual...
  • Page 79 • If you are replacing an old PCI card, grasp the old card that is currently installed and gently pull it out of the slot. Figure 9. Removing a PCI card Notes: a. 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 80: Replacing The Battery

    1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 69. 3. Locate the battery. See “Locating parts on the system board” on page 65. Lenovo M5800 Hardware Maintenance Manual...

  • Page 81: Installing Or Replacing A Memory Module

    4. Remove the old battery. Figure 11. Removing the old battery 5. Install a new battery. Figure 12. Installing a new battery 6. Reinstall the computer cover and connect the cables. See “Completing the parts replacement” on page 102. Note: When the computer is turned on for the first time after replacing the battery, an error message might be displayed.
  • Page 82 6. Depending on whether you are installing or replacing a memory module, do one of the following: • If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 13. Removing a memory module Lenovo M5800 Hardware Maintenance Manual...

  • Page 83: Replacing The Optical Drive

    • 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 14. Opening the retaining clips 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.
  • Page 84 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 70. 4. Remove the three screws that secure the optical drive. Then, slide the optical drive out of the front of the computer. Figure 16. Removing the optical drive Lenovo M5800 Hardware Maintenance Manual...

  • Page 85: Replacing The Heat Sink And Fan Assembly

    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.
  • Page 86 Do not touch the thermal grease while handling the heat sink and fan assembly. 8. Position the new heat sink and fan assembly on the system board so that the four screws are aligned with the holes on the system board. Lenovo M5800 Hardware Maintenance Manual...

  • Page 87: Replacing The Power Supply Assembly

    Note: Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is toward the microprocessor fan connector on the system board. 9. Follow the following sequence to install the four screws to secure the new heat sink and fan assembly. Do not over-tighten the screws.

  • Page 88: Replacing The Microprocessor

    8. Install and tighten the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo. 9. Reconnect the power supply assembly cables to the system board and each of the drives.
  • Page 89 CAUTION: The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To replace the microprocessor, 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 90: Replacing The System Board

    Replacing the system board Attention: Do not open your computer or attempt any repair before reading and understanding Chapter 1 “Safety information” on page 1. This section provides instructions on how to replace the system board. Lenovo M5800 Hardware Maintenance Manual...
  • Page 91 CAUTION: The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. 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.

  • Page 92: Replacing The Primary Hard Disk Drive

    4. Disconnect the signal cable and the power cable from the hard disk drive. 5. Remove the four screws that secure the hard disk drive. Then, slide the hard disk drive out of the chassis. Lenovo M5800 Hardware Maintenance Manual...
  • Page 93 Figure 24. Removing the primary hard disk drive 6. Slide 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 94: Replacing The Front Audio And Usb Assembly

    5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on the system board” on page 65. Note: Make sure you note the locations of the cables when you disconnect the cables from the system board. Lenovo M5800 Hardware Maintenance Manual...

  • Page 95: Replacing The System Fan

    6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove the bracket from the chassis. Figure 27. Removing the front audio and USB assembly 7. Install the new front audio and USB assembly into the chassis and align the screw hole in the bracket with the corresponding hole in the chassis.
  • Page 96 Note: The new system fan will have four new rubber mounts attached. Figure 28. Removing the system fan 6. Install the new system fan by aligning the new rubber mounts with the corresponding holes in the chassis and push the rubber mounts through the holes. Lenovo M5800 Hardware Maintenance Manual...

  • Page 97: Replacing The Thermal Sensor

    7. Pull the tips of the rubber mounts until the system fan is secured in place. Figure 29. Installing the system fan 8. Connect the system fan cable to the system fan connector on the system board. 9. To complete the installation or replacement, go to “Completing the parts replacement” on page 102. Replacing the thermal sensor Attention: Do not open your computer or attempt any repair before reading and understanding Chapter 1 “Safety information”...
  • Page 98 Then disengage the plastic holder holding the thermal sensor from the chassis. Figure 30. Removing the thermal sensor 7. Pull the entire thermal sensor out of the chassis. Lenovo M5800 Hardware Maintenance Manual...

  • Page 99: Replacing The Wifi Units

    8. 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 31.

  • Page 100: Removing The Wifi Adapter Card

    Note: The Bluetooth cable connects the Bluetooth connector on the WiFi 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. Lenovo M5800 Hardware Maintenance Manual...

  • Page 101: Removing The Wifi Card Module

    5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 33. 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 102 3. Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card. Figure 36. Removing the WiFi card module Installing the WiFi units To install the WiFi units, do the following: Lenovo M5800 Hardware Maintenance Manual...
  • Page 103 1. Insert the WiFi card module into the mini PCI Express slot, and then install the two screws to secure the WiFi card module to the WiFi adapter card. Figure 37. Installing the WiFi card module Chapter 8 Replacing FRUs...
  • Page 104 5. Pivot the card latch to the closed position to secure the WiFi adapter card. Figure 39. Installing the WiFi adapter card 6. To complete the installation or replacement, go to “Completing the parts replacement” on page 102. Lenovo M5800 Hardware Maintenance Manual...

  • Page 105: Installing Or Removing The Rear Wifi Antenna

    Installing or removing the rear WiFi antenna Attention: Do not open your computer or attempt any repair before reading and understanding Chapter 1 “Safety information” on page 1. This section provides instructions on how to install or remove the rear WiFi antenna. Installing the rear WiFi antenna To install the rear WiFi antenna, do the following: 1.

  • Page 106: Installing Or Removing The Front Wifi Antenna

    2. Remove the computer cover. See “Removing the computer cover” on page 69. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 70. 4. Peel off the paper that protects the stickers on the front antenna. Lenovo M5800 Hardware Maintenance Manual...
  • Page 107 Figure 42. Peeling off the paper that protects the stickers 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 43. Installing the front WiFi antenna 6.

  • Page 108: Completing The Parts Replacement

    2. Make sure that the cables are routed correctly. Keep cables clear of the hinges and sides of the computer chassis to avoid interference with closing the computer cover. 3. If you have removed the front bezel, reinstall it. See “Removing and reinstalling the front bezel” on page 70. Lenovo M5800 Hardware Maintenance Manual...
  • Page 109 8. To update your configuration, refer to Chapter 5 “Using the Setup Utility program” on page 49. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Unit (CRU). Information about this will come with the CRU or will come a few days after the CRU arrives.
  • Page 110 Lenovo M5800 Hardware Maintenance Manual...

  • Page 111: Chapter 9. Additional Service Information

    “Using passwords” on page 49. Operating system password Note: This section applies only to computer models that have an operating system preinstalled from Lenovo. An operating system password is very similar to a power-on password and denies access to the computer by an unauthorized user when the password is activated.

  • Page 112: 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) operating system, do the following: 1.

  • Page 113: 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 114: Power Management

    3. In the left panel, click Choose what the power buttons do. 4. In the Shutdown setting section, clear Turn on fast startup. Note: If the settings are unavailable, click Change settings that are currently unavailable. 5. Click Save changes. Lenovo M5800 Hardware Maintenance Manual...

  • Page 115: 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 116: Television Output Notice

    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 Microsoft and Windows are trademarks of the Microsoft group of companies.

  • Page 117: Index

    USB assembly, replacing passwords, using front bezel PCI card front bezel, removing installing, replacing front bezel, reinstalling slots front WiFi antenna, installing, removing power supply assembly, replacing FRU locations Power-On, Password © Copyright Lenovo 2013...
  • Page 118 BIOS, updating (flashing) 106–107 thermal sensor, replacing troubleshooting, basic troubleshooting, diagnostics updating (flashing) the BIOS updating (flashing) the BIOS Lenovo M5800 Hardware Maintenance Manual...

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