Chapter 7 “Symptom-to-FRU index” on page 63 and Chapter 10 “Additional Service Information” on page 129 are not specific to any machine type. These chapters are applicable to all ThinkCentre computers. For major FRU locations and Customer Replaceable Unit (CRU) identification, see Chapter 8 “Locations”...
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(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. ThinkCentre Hardware Maintenance Manual...
Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items. However, good judgment should be used to identify potential safety hazards due to attachment of features or options not covered by this inspection guide.
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. • Connect all power cords to a properly wired and grounded electrical outlet. ThinkCentre Hardware Maintenance Manual...
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• Connect to properly wired outlets any equipment that will be attached to this product. • When possible, use one hand only to connect or disconnect signal cables. • Never turn on any equipment when there is evidence of fire, water, or structural damage. • Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures.
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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. ThinkCentre Hardware Maintenance Manual...
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≥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 Hardware Maintenance Manual...
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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. • Todo equipamento que for conectado a este produto deve ser conectado a tomadas corretamente instaladas.
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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. ThinkCentre Hardware Maintenance Manual...
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• 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. ThinkCentre Hardware Maintenance Manual...
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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.
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Hersteller empfohlene Batterie ersetzen. Enthält das System ein Modul mit einer 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. ThinkCentre Hardware Maintenance Manual...
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• 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.
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• 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). ThinkCentre Hardware Maintenance Manual...
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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. • L'utilizzo di controlli, regolazioni o l'esecuzione di procedure non descritti nel presente manuale possono provocare l'esposizione a radiazioni pericolose.
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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. • Conecte todos los cables de alimentación a tomas de corriente debidamente cableadas y conectadas a tierra.
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• 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 ThinkCentre Hardware Maintenance Manual...
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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...
Input frequency range: 50 to 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. Accessing Lenovo programs on the Windows 7 operating system On the Windows 7 operating system, you can access Lenovo programs from either the Lenovo ®...
If a desired program is not in the list, click the plus icon +. • 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, move the pointer to the bottom-right corner of the screen to display the charms.
• Password Manager • System Update 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 •...
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7. Have the same configuration options set in the system 8. Have the same setup for the operating system control files Comparing the configuration and software set-up between “working and non-working” systems will often lead to problem resolution. ThinkCentre Hardware Maintenance Manual...
Chapter 5. Troubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic programs. If your computer problem is not described here, see “Lenovo Support Web site” on page 32 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems.
• If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 32 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 32 for more information.
Select the problem your computer is experiencing from the following list: • “Touch function problems” on page 37 • “Audio problems” on page 39 • “CD problems” on page 40 • “DVD problems” on page 41 • “Intermittent problems” on page 43 •...
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2. Blow on the top left corner and top right corner to keep the touch sensors clean. Figure 1. Blowing the dust off the touch sensors ThinkCentre Hardware Maintenance Manual...
3. Clean the inside edges of the monitor with a soft, dry brush, and then with a soft, dry, and lint-free cloth. Do not leave any scratch on the edges. Figure 2. Cleaning the inside edges of the monitor Audio problems Select your symptom from the following list: •...
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 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
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 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
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• Try a lower screen resolution or color depth. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 55. If you need technical assistance, see “Lenovo Support Web site” on page 32. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...
If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 55. If you need technical assistance, see “Lenovo Support Web site” on page 32. Keyboard, mouse, or pointing device problems Select your symptom from the following list: •...
See “Enabling or disabling a device” on page 59. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
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 32.
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 32. The image appears to be flickering Symptom: The image appears to be flickering.
If you configured the adapter for full duplex, ensure that the switch port is also configured for full duplex. Setting the wrong duplex mode can degrade performance, cause data loss, or result in lost connections. • You have installed all networking software that is necessary for your network environment. ThinkCentre Hardware Maintenance Manual...
Check with your LAN administrator for the necessary networking software. The adapter stops working for no apparent reason Symptom: The adapter stops working for no apparent reason. Action: The network driver files may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed.
Bluetooth, a PIM item sent from the Windows 7 operating system might be saved as a file with the extension .contact. Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information. Select your symptom from the following list: •...
If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
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6. Click Defragment Now again to start a disk-defragmentation process. On the Windows 8 operating system, do the following: 1. Close any programs that are currently running and close any open windows. 2. Open the Windows Explorer and click Computer. ThinkCentre Hardware Maintenance Manual...
32. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 86. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32. Software problems Select your symptom from the following list: • “When using a sort feature, dates do not sort in the correct order”...
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 5...
• If the Hard Disk Password is forgotten, there is no way to reset the password or recover data from the hard disk drive. Setting, changing, and deleting a password To set, change, or delete a password, do the following: 1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 57. ThinkCentre Hardware Maintenance Manual...
2. From the Setup Utility program main menu, select Security. 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. Note: A password can be any combination of up to 64 alphabetic and numeric characters.
• Pressing the power switch • Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time. To enable the wake up on alarm feature, do the following: ThinkCentre Hardware Maintenance Manual...
1. Start the Setup Utility program. 2. From the Setup Utility program main menu, select Power ➙ Automatic Power On, and press Enter. 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.
When the Reset Without Saving window shows, select Yes, and then press Enter to exit the Setup Utility program. • If you want to return to the default settings, press F9 to load the default settings, and then press F10 to save and exit the Setup Utility program. ThinkCentre Hardware Maintenance Manual...
0164 Memory size decreased Press F10 to exit. 1762 Configuration change has occurred This error message is displayed when a hard disk drive or optical drive change has been made. Press F10 to exit. ThinkCentre Hardware Maintenance Manual...
Error code POST Error Message Description/Action 1820 More than one external fingerprint If more than one external fingerprint reader are attached. Power off and reader are connected to a computer, remove all but the reader that you set this error message will be displayed up within your main operating system.
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RPL computer does not RPL from server 1. Check startup sequence. 2. Check the network adapter LED status. Serial or parallel port device failure (system board port) 1. External Device Self-Test OK? 2. External Device 3. Cable 4. System Board ThinkCentre Hardware Maintenance Manual...
Message/Symptom FRU/Action Serial or parallel port device failure (adapter port) 1. External Device Self-Test OK? 2. External Device 3. Cable 4. Alternate Adapter 5. System Board 1. Keyboard Some or all keys on the keyboard do not work 2. Keyboard Cable 3.
Right Move to the right. Speaker mute/unmute control Turn on/off the internal speakers. (computer mode) Left Move to the left. Microphone mute/unmute control Turn on/off the integrated microphones. (computer mode) Exit Exit the main OSD menu. ThinkCentre Hardware Maintenance Manual...
Locating connectors on the rear of your computer Figure 4 “Rear connector locations” on page 71 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.
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Used to attach a mouse, a trackball, or other pointing devices that use a PS/2 (optional) mouse connector. Serial port (optional) Used to attach an external modem, a serial printer, or other devices that use a 9-pin serial port. ThinkCentre Hardware Maintenance Manual...
Connector Description USB 2.0 connector Used to attach a device that requires a USB 2.0 connector, such as a USB keyboard, a USB mouse, a USB scanner, or a USB printer. If you have more than six USB devices, you can purchase a USB hub, which you can use to connect additional USB devices.
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ThinkCentre Hardware Maintenance Manual Figure 5. Locating major FRUs and CRUs for models with the 20-inch display...
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The following table lists the major FRUs shown in Figure 5 “Locating major FRUs and CRUs for models with the 20-inch display” on page 74 and identifies which FRUs are also self-service CRUs or optional-service CRUs. Notes: • Self-service CRUs: These CRUs unplug or are secured by no more than two screws. Examples of these types of CRUs include the keyboard, the mouse, any USB device, and the power cord.
Figure 6 “Locating major FRUs and CRUs for models with the 23-inch display” on page 77 shows the locations of the major FRUs and CRUs in the computer. To remove the computer cover, see “Removing the computer cover” on page 83. ThinkCentre Hardware Maintenance Manual...
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Figure 6. Locating major FRUs and CRUs for models with the 23-inch display Chapter 8 Locations...
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Bluetooth module (available in some models) Internal speaker Power switch and control button board Volume control module LCD panel Hard disk drive Optical drive (available in some models) Converter board Microprocessor fan VESA (Video Electronics Standards Association) mount bracket ThinkCentre Hardware Maintenance Manual...
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 Figure 7 “System board part locations” on page 79 shows the locations of the parts on the system board.
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Thermal sensor connector Converter board power connector Internal speaker connector SATA 2.0 connector (for connecting the optical drive) Card reader connector GPU fan connector ExpressCard connector 14-pin power connector Bluetooth module connector Microprocessor fan connector Display connector ThinkCentre Hardware Maintenance Manual...
Do not open your computer or attempt any repair before reading and understanding “Important 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.
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 126. ThinkCentre Hardware Maintenance Manual...
Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding “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.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 126. Removing and reinstalling the handle bar Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. ThinkCentre Hardware Maintenance Manual...
This section provides instructions on how to remove and reinstall the handle bar. Note: The handle bar is available only in models with the 20-inch display. To remove and reinstall the handle bar, 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.
Your computer has two slots for installing or replacing DDR3 SODIMMs that provide up to a maximum of 16 GB system memory. When installing or replacing a memory module, use 2 GB, 4 GB or 8 GB DDR3 SODIMMs in any combination up to a maximum of 16 GB. ThinkCentre Hardware Maintenance Manual...
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To install or replace a memory module, 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.
Figure 15. Removing the hard disk drive (20-inch display) • If your computer comes with the 23-inch display, press the clips of the hard disk drive bracket inward and then slide the hard disk drive to the left to remove it from the chassis. ThinkCentre Hardware Maintenance Manual...
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Figure 16. Removing the hard disk drive (23-inch display) 6. Disconnect the signal cable and the power cable from the hard disk drive. 7. Flex the sides of the hard disk drive bracket properly to remove the hard disk drive out of the bracket. 8.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 126. Replacing the optical drive Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. ThinkCentre Hardware Maintenance Manual...
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This section provides instructions on how to replace the optical drive. Note: The optical drive is available only in some models. To replace the optical drive, 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.
73 or “Locating major FRUs and CRUs (for models with the 23-inch display)” on page 76. 6. Remove the three screws that secure the converter board to the chassis and disconnect the cables. Then, lift the converter board off the chassis. ThinkCentre Hardware Maintenance Manual...
Figure 22. Removing the converter board 7. Connect the cables to the new converter board and align the three screw holes in the new converter board with those in the chassis. 8. Install the three screws to secure the new converter board to the chassis. 9.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 126. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. ThinkCentre Hardware Maintenance Manual...
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This section provides instructions on how to replace the microprocessor. 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.
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9. Remove the protective cover that protects the gold contacts of the new microprocessor. 10. Hold the new microprocessor by its sides and align the small triangle on one corner of the new microprocessor with the corresponding small triangle on one corner of the microprocessor socket. ThinkCentre Hardware Maintenance Manual...
11. Lower the new microprocessor straight down into the microprocessor socket on the system board. Figure 26. Installing the microprocessor 12. Close the microprocessor retainer and lock it into position with the small handle to secure the new microprocessor in the socket. 13.
5. Note the routing of the thermal sensor cable and then disconnect the thermal sensor cable from the system board. 6. Remove the screws that secure the VESA mount bracket and then lift the VESA mount bracket off the chassis. ThinkCentre Hardware Maintenance Manual...
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Note: The location of the screws that secure the VESA mount bracket to the chassis is different between models with the 20-inch display and models with the 23-inch display. Figure 28. Removing the VESA mount bracket 7. Press one of the thermal sensor clips inward to disengage the thermal sensor from the VESA mount bracket.
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VESA mount bracket and then press the thermal sensor towards the VESA mount bracket until it snaps into position. Note: The location of the thermal sensor in your computer might be slightly different from the illustration. ThinkCentre Hardware Maintenance Manual...
Figure 30. Installing the thermal sensor 9. Connect the thermal sensor cable to the system board. See “Locating parts on the system board” on page 79. 10. Align the screw holes in the VESA mount bracket with those in the chassis and then install the screws to secure the VESA mount bracket to the chassis.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 126. Replacing the WiFi card Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. This section provides instructions on how to replace the WiFi card. ThinkCentre Hardware Maintenance Manual...
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Note: The WiFi card is available only in some models. To replace the WiFi 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.
4. Locate the ambient light sensor. See “Locating major FRUs and CRUs (for models with the 20-inch display)” on page 73 or “Locating major FRUs and CRUs (for models with the 23-inch display)” on page 76. ThinkCentre Hardware Maintenance Manual...
Note: You might have to remove the handle bar to access the ambient light sensor. To remove the handle bar, see “Removing and reinstalling the handle bar” on page 84. 5. Carefully remove the two screws that secure the ambient light sensor and then lift the ambient light sensor out of the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See “Removing the computer cover” on page 83. ThinkCentre Hardware Maintenance Manual...
4. Locate the card reader. See “Locating major FRUs and CRUs (for models with the 20-inch display)” on page 73 or “Locating major FRUs and CRUs (for models with the 23-inch display)” on page 76. 5. Disconnect the card reader cable from the card reader. 6.
Note: The heat sink and fan assembly for GPU is available only in models installed with the GPU. CAUTION: The heat sink and fan assembly for GPU might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. ThinkCentre Hardware Maintenance Manual...
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To replace the heat sink and fan assembly for GPU, 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.
6. Remove the screw to disengage the rear PS/2 connectors and serial port assembly from the chassis. Note: You might have to remove two screws to disengage the rear PS/2 connectors and serial port assembly from the chassis. ThinkCentre Hardware Maintenance Manual...
Figure 39. Removing the rear PS/2 connectors and serial port assembly 7. Align the screw hole in the new rear PS/2 connectors and serial port assembly with the corresponding screw hole in the chassis. Then, install the screw to secure the new rear PS/2 connectors and serial port assembly to the chassis.
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Refer to the “Lithium coin cell battery notice” in the ThinkCentre Safety, Warranty, and Setup Guide for information about replacing and disposing of the battery. 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.
Replacing the power supply assembly Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. This section provides instructions on how to replace the power supply assembly. To replace the power supply assembly, do the following: 1.
73 or “Locating major FRUs and CRUs (for models with the 23-inch display)” on page 76. 5. Remove the VESA mount bracket and disconnect the cables of the microprocessor fan from the system board. See “Replacing the thermal sensor” on page 98. ThinkCentre Hardware Maintenance Manual...
6. Remove the screws to disengage the microprocessor fan from the chassis. Figure 43. Removing the microprocessor fan 7. Align the screw holes in the new microprocessor fan with the corresponding ones in the chassis. Then, install the screws to secure the new microprocessor fan to the chassis. 8.
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7. Disconnect the LCD cables from the display connectors on the system board and the converter board. See “Locating parts on the system board” on page 79. 8. Remove the four screws to disengage the LCD panel from the LCD bracket. Figure 45. Removing the LCD panel ThinkCentre Hardware Maintenance Manual...
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9. Connect the new LCD cables to the display connectors on the system board and the converter board. See “Locating parts on the system board” on page 79. 10. Align the screw holes in the new LCD panel with the corresponding ones in the LCD bracket. To avoid any damage when installing the LCD panel, follow the below exact sequence to install the four screws , and to secure the LCD panel.
13. Remove the WiFi card if your computer has one. See “Replacing the WiFi card” on page 102. 14. Note the locations of all cables connected to the system board and disconnect all cables. See “Locating parts on the system board” on page 79. ThinkCentre Hardware Maintenance Manual...
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15. Follow the sequence to remove the screws that secure the system board to the chassis. Then, carefully lift the system board out of the chassis. Figure 48. Removing the system board 16. Place the new system board into the chassis and align the screw holes with the mounting stands in the chassis.
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1. Release the lever securing the microprocessor retainer and open the retainer to access the microprocessor. 2. Grasp the microprocessor on the sides and lift it straight up and out of the socket. Do not touch the contacts on the microprocessor socket. ThinkCentre Hardware Maintenance Manual...
3. Close the microprocessor retainer, and then lower the lever to secure the retainer. Ensure that the lever is locked into position. 4. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor socket.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See “Removing the computer cover” on page 83. ThinkCentre Hardware Maintenance Manual...
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4. Locate the volume control module. See “Locating major FRUs and CRUs (for models with the 20-inch display)” on page 73 or “Locating major FRUs and CRUs (for models with the 23-inch display)” on page 76. 5. Note the volume control module cable routing and disconnect the cable from the system board. See “Locating parts on the system board”...
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. ThinkCentre Hardware Maintenance Manual...
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3. Remove the computer cover. See “Removing the computer cover” on page 83. 4. Remove the rear I/O assembly. See “Removing and reinstalling the rear I/O assembly” on page 85. 5. Locate the WiFi antennas and the WiFi card. See “Locating major FRUs and CRUs (for models with the 20-inch display)”...
2. Ensure that the cables are routed correctly before reinstalling the computer cover. Keep cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover. ThinkCentre Hardware Maintenance Manual...
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7. 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 Replacement Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
– Start the Setup Utility. – Select Main ➙ BIOS Revision Level • 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 129.
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.
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.
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. ThinkCentre Hardware Maintenance Manual...
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