Important: This manual is intended only for trained service technicians who are familiar with Lenovo computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a Lenovo computer, be sure to read and understand Chapter 1 “Read this first: Important safety information” on page 1.
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Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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• Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. •...
2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. 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. ThinkCentre M800 and M900 Hardware Maintenance Manual...
• Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. • Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices.
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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. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord.
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≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. Chapter 1 Read this first: Important safety information...
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• Não remova as tampas. A remoção das tampas de um produto a laser pode resultar em exposição prejudicial à radiação de laser. Não existem peças que podem ser consertadas no interior do dispositivo. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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• 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.
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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.
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L'interrupteur de contrôle d'alimentation de l'unité et l'interrupteur dubloc d'alimentation ne coupent pas le courant électrique alimentantl'unité. En outre, le système peut être équipé de plusieurs cordonsd'alimentation. Pour mettre l'unité hors tension, vous devez déconnectertous les cordons de la source d'alimentation. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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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.
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Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung für die Einheit nicht unterbrochen. Die Einheit kann auch mit mehreren Netzkabeln ausgestattet sein. Um die Stromversorgung für die Einheit vollständig zu unterbrechen, müssen alle zum Gerät führenden Netzkabel vom Netz getrennt werden. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Chapter 1 Read this first: Important safety information...
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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. •...
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Il pulsante di controllo dell'alimentazione presente sull'unità e l'interruttore dell'alimentatore non disattivano l'alimentazione corrente fornita all'unità. E' possibile che l'unità disponga di più cavi di alimentazione. Per disattivare l'alimentazione dall'unità, accertarsi che tutti i cavi di alimentazione siano scollegati dalla fonte di alimentazione. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Chapter 1 Read this first: Important safety information...
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• Cualquier equipo que se conecte a este producto también debe conectarse a tomas de corriente debidamente cableadas. • Siempre que sea posible, utilice una sola mano para conectar o desconectar los cables de señal. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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• 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.
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Además, el dispositivo podría tener más de un cable de alimentación. Para suprimir toda la corriente eléctrica del dispositivo, asegúrese de que todos los cables de alimentación estén desconectados de la toma de corriente. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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(PDA). • USB 3.0 connector Used to connect a device that requires a USB 2.0 or USB 3.0 connection, such as a keyboard, a mouse, a scanner, a printer, or a PDA. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Rear view Figure 2. Rear view Power cord connector Serial connector ® VGA connector DisplayPort connectors (2) USB 3.0 connectors (4) USB 2.0 connectors (2) (for M800 models) or USB 3.0 connectors (2) (for M900 models) Microphone connector Audio line-out connector Audio line-in connector PCI/PCI-Express card area (different cards provide different connectors)
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Used to connect a device that requires a USB 2.0 or USB 3.0 connection, such as a keyboard, a mouse, a scanner, a printer, or a PDA. • VGA connector Used to connect a video graphics array (VGA) monitor or other devices that use a VGA connector. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Computer components Note: Depending on your computer model, some of the following components might not be available. Figure 3. Computer components Computer cover Heat sink fan duct Heat sink and fan assembly Power supply assembly Memory module Optical drive bracket Optical drive Secondary storage drive Secondary storage drive bracket...
Wi-Fi adapter card PCI card Rear Wi-Fi antenna Wi-Fi card System board Front bezel Power cord Major FRUs and CRUs Note: Depending on your computer model, some of the following components might not be available. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Figure 4. Major FRUs and CRUs The following table lists the major FRUs shown in the illustration above and identifies which FRUs are also self-service CRUs or optional-service CRUs. Notes: Chapter 2 Product overview...
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PCI card Rear Wi-Fi antenna Wi-Fi card Wi-Fi adapter card PCI Express card System board Coin-cell battery Microprocessor Memory module Heat sink fan duct Heat sink and fan assembly Front bezel Power cord ThinkCentre M800 and M900 Hardware Maintenance Manual...
For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup Parts on the system board Note: For the parts that are displayed on the following figure but not introduced in the following table, see “Front view”...
Coin-cell battery Machine type and model label The machine type and model label identifies your computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify your computer and provide faster service. The machine type and model label is attached on the side of your computer as shown.
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Your computer is preinstalled with Windows 7 or Windows 10 operating system. Additional operating systems might be identified by Lenovo as compatible with your computer. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system provider.
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Performance Mode” on page 62 and “Enabling or disabling the ICE Thermal Alert feature” on page 63. ® • Intel Standard Manageability Intel Standard Manageability is hardware- and firmware-based technology that makes computers easier and less expensive for businesses to monitor, maintain, update, upgrade, and repair. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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• Intel Active Management Technology (AMT) (available on some models) Intel Active Management Technology is hardware- and firmware-based technology that makes computers easier and less expensive for businesses to monitor, maintain, update, upgrade, and repair. • Intel Matrix Storage Manager Intel Matrix Storage Manager is a device driver that provides support for Serial Advanced Technology Attachment (SATA) Redundant Array of Independent Disks (RAID) 5 arrays and SATA RAID 10 arrays on specific Intel chipset system boards to enhance hard disk performance.
Accessing a program on your computer Note: For Windows 7, depending on your computer model, some of the Lenovo programs might be ready to be installed, so you need to install them manually. Then, you can access and use these programs.
An introduction to Lenovo programs This section provides information about the major Lenovo programs available on your operating system. Note: Depending on your computer model, some of the following programs might not be available.
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BIOS updates. The program gathers information from the Lenovo Help Center about new updates for your computer, then sorts and displays the updates for download and installation. You have complete control of which updates to download and install.
Lenovo for help. In addition, some locations offer extended privileges and services to registered users. To register your computer with Lenovo, ensure that your computer is connected to the Internet. Then, go to http://www.lenovo.com/register and follow the instructions on the screen.
Note: If the tray does not slide out of the drive when you press the eject/close button, turn off your computer. Then, insert a straightened paper clip into the emergency-eject hole adjacent to the eject/close button. Use the emergency eject only in an emergency. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Recording a disc If your optical drive supports recording, you can record a disc. Recording a disc using Windows tools To record a disc using Windows tools, do one of the following: • Burn a disc using the AutoPlay window. 1.
Note: If the Bluetooth icon is not displayed in the Windows notification area, add the icon to the notification area. See “Adding an icon to the Windows notification area” on page 43. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience. You also can get the most up-to-date accessibility information from the following Web site: http://www.lenovo.com/accessibility...
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Ease of Access Center Ease of Access Center on the Windows operating system enables users to configure their computers to suit their physical and cognitive needs. To use Ease of Access Center, do the following: 1. Click the Start button to open the Start menu. 2.
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– Change the size of the items on the desktop or a window. Note: This function might not work on some windows. If your mouse has a wheel, press and hold Ctrl, and then scroll the wheel to change the item size. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Then, you can type a message on your computer and send it to the telephone. Documentation in accessible formats Lenovo provides electronic documentation in accessible formats, such as properly tagged PDF files or HyperText Markup Language (HTML) files. Lenovo electronic documentation is developed to ensure that visually impaired users can read the documentation through a screen reader.
The cause of a problem might be change in hardware, change in software, or any other actions that might have taken place. A log book can help you or a Lenovo technician determine the cause of a problem. • Back up your data on the storage drive regularly. You can restore the storage drive from a backup.
To get the latest system updates for your computer, ensure that your computer is connected to the Internet and do one of the following: • Use one of the following Lenovo programs to get the system updates, such as device driver updates, software updates, and BIOS updates: –...
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The cable lock also locks the buttons used to open the computer cover. This is the same type of lock used with many notebook computers. You can order such a cable lock directly from Lenovo by searching for Kensington at: http://www.lenovo.com/support Figure 8.
• For Windows 7: Use the Fingerprint Manager Pro or ThinkVantage Fingerprint Software program provided by Lenovo. To open the program, see “Accessing a program on your computer” on page 40. For more information about using the program, refer to the help system of the program.
For more information about how to use your antivirus software, refer to the help system of your antivirus software. Computrace Agent software embedded in firmware The Computrace Agent software is an IT asset management and computer theft recovery solution. The software detects if changes have been made on the computer, such as hardware, software, or the computer call-in location.
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Enabling or disabling ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go http://www.lenovo.com/ecodeclaration You can enable ErP LPS compliance mode in the Setup Utility program to reduce the consumption of electricity when your computer is off or in sleep mode.
Enabling or disabling the ICE Thermal Alert feature If you enable the ICE thermal alert feature, when critical thermal situations occur, such as malfunctioning fans, abnormally high temperature, or poor cooling performances, an alert log will be written into the Windows system log.
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 61. 2. Select Security. ThinkCentre M800 and M900 Hardware Maintenance Manual...
3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password and press Enter. 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. For more information, see “Password considerations”...
2. Remove the computer cover. See Chapter 9 “Installing or replacing hardware” on page 87. 3. Locate the Clear CMOS /Recovery jumper on the system board. See “Hardware locations” on page 27. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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4. Remove any parts and cables that impede your access to the Clear CMOS /Recovery jumper. 5. Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and pin 3). 6. Reinstall the parts and cables that were removed. 7.
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5. Recover your operating system. See “Recovery information” on page 78. 6. If none of these actions solve your problem, contact the Lenovo Customer Support Center. For a list of Lenovo Support phone numbers, go to http://www.lenovo.com/support/phone. For more information about help, service, and technical assistance, see Chapter 10 “Getting information, help, and service”...
• Click the volume icon in the Windows notification area on the taskbar. Then, click the speaker icon on top of the volume control. Click the Levels tab and ensure that the Balance settings are set correctly . ThinkCentre M800 and M900 Hardware Maintenance Manual...
Note: If the volume icon is not displayed in the Windows notification area, add the icon to the notification area. See “Adding an icon to the Windows notification area” on page 43. CD problems This section provides solutions to CD-related problems. A CD or DVD does not work Solutions: •...
Symptom: "No Operating System Found" message or the system not starting up from the correct storage drive Solutions: • Ensure that all storage drive signal cables and power cables are connected correctly. ThinkCentre M800 and M900 Hardware Maintenance Manual...
• Ensure that the storage drive your computer starts up from is listed as the first startup device in the Setup Utility program. Refer to “Changing the startup device sequence permanently” on page 65. Note: In rare cases, the storage drive with the operating system might get corrupted or damaged. In such cases, you might need to replace the storage drive.
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Solution: Set the Bluetooth headset or headphones as the default device. 1. Exit the application that uses the sound device (for example, Windows Media Player). 2. Right-click the volume icon in the Windows notification area on the taskbar. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Note: If the volume icon is not displayed in the Windows notification area, add the icon to the notification area. See “Adding an icon to the Windows notification area” on page 43. 3. Click Playback devices. 4. If you are using the Headset profile, select Bluetooth Hands-free Audio, and then click Set Default. If you are using the AV profile, select Stereo Audio, and then click Set Default.
• Detach and reconnect the USB connector to reset the USB device. I cannot install the Windows 7 operating system using an external USB device Solution: Go to http://www.lenovo.com/support to download and install USB drivers. Software and driver problems This section provides solutions to software- and driver-related problems.
If you are unable to isolate and repair the problem yourself after running Lenovo Solution Center, save and print the log files created by the program. You might need the log files when you speak to a Lenovo technical support representative.
1. Turn off your computer. Press and hold the Enter key and then turn on the computer. Release the Enter key when Startup Interrupt Menu is displayed. Then, press F11 to open the Rescue and Recovery workspace. ThinkCentre M800 and M900 Hardware Maintenance Manual...
65. 2. Follow the instructions on the screen to choose the appropriate recovery solution. • Use the recovery disc set provided by Lenovo to restore the entire storage drive to the factory-default settings. – If your computer comes with the recovery disc set, follow the instructions shipped with the disc set.
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• Use the recovery USB key provided by Lenovo to restore the entire storage drive to the factory-default settings. – If your computer comes with the recovery USB key, follow the instructions shipped with the USB key. – If your computer does not come with the recovery USB key, contact the Lenovo Customer Support Center to order a recovery USB key.
“Undetermined problems” on page 86. Notes: • The Symptom-to-FRU index is not specific to any machine type and are applicable to all Lenovo computers. • If you have both an error message and an incorrect audio response, diagnose the error message first.
Error FRU/Action The boot sector on the startup drive is corrupted. The drive must be formatted. Do the following: 1. Attempt to back up the data on the failing hard disk drive. 2. Using the operating system programs, format the hard disk drive.
1. Ensure that network is in startup sequence as first device or first device after diskette. 2. Ensure that network adapter is enabled for RPL. 3. Network adapter (Advise network administrator of new MAC address) ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Message/Symptom FRU/Action ® Computer will not perform a Wake On LAN (if applicable) 1. Check power supply and signal cable connections to network adapter. 2. Ensure that the operating system settings are set to enable Wake on LAN. 3. Ensure Wake On LAN feature is enabled in Setup/Configuration (see “Starting the Setup Utility program”...
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. See “Replacing the system board” on page 141. ThinkCentre M800 and M900 Hardware Maintenance Manual...
• When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option. • In most areas of the world, Lenovo requires the return of the defective CRU. Information about this will come with the CRU or will come a few days after the CRU arrives.
1. Remove any media from the drives and turn off all connected 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 88. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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3. Locate the front bezel. See “Computer components” on page 31. 4. If a dust shield is available, pull the dust shield outwards to remove it from the front bezel. Figure 10. Removing the dust shield 5. Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the front bezel outward.
1. Remove any media from the drives and turn off all connected 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 88. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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3. Remove the front bezel. See “Replacing the front bezel” on page 88. 4. Remove the optical drive. See “Replacing the optical drive” on page 104. 5. Locate the front audio and USB assembly. See “Computer components” on page 31. 6.
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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 147. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Replacing the USB assembly Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Read this first: Important safety information” on page 1. To replace the USB assembly, do the following: 1. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
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10. Slide the new USB assembly into the bracket so that the screw holes in the USB assembly align with the holes in the bracket. Then, install the two screws to secure the USB assembly to the bracket. Figure 21. Installing the USB assembly ThinkCentre M800 and M900 Hardware Maintenance Manual...
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11. Insert the metal tabs in the card reader and USB assembly bracket into the corresponding holes in the chassis as shown. Align the screw hole in the bracket with the corresponding hole in the chassis, and then install the screw to secure the bracket. Figure 22.
7. Disconnect the card reader and USB assembly cables from the front USB connectors in the system board. See “Parts on the system board” on page 35. Note: Ensure that you note the location of the cable when you disconnect the cable from the system board. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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8. Remove the screw that secures the card reader and USB assembly bracket to remove it from the computer. Figure 25. Removing the card reader and USB assembly bracket from the chassis 9. Remove the two screws that secure the card reader to remove it from the bracket. Figure 26.
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See “Parts on the system board” on page 35. 13. Press the release tab on the right side of the drive bay assembly and pivot the drive bay assembly downward until it snaps into position. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Figure 29. Pivoting the drive bay assembly downward 14. Install the optical drive. See “Replacing the optical drive” on page 104. 15. Install the front bezel. See “Replacing the front bezel” on page 88. What to do next: • To work with another piece of hardware, go to the appropriate section. •...
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9. Position the new internal speaker into the four metal clips on the inner side of the front panel. Then, slide the internal speaker as shown until it snaps into position. Figure 32. Installing the internal speaker ThinkCentre M800 and M900 Hardware Maintenance Manual...
10. Connect the new internal speaker cable to the internal speaker connector on the system board. See “Parts on the system board” on page 35. 11. Press the release tab on the right side of the drive bay assembly and pivot the drive bay assembly downward until it snaps into position.
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Then, disengage the plastic holder holding the thermal sensor from the chassis. Figure 35. Removing the thermal sensor 9. Pull the entire thermal sensor out of the chassis. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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10. 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 36.
Figure 38. Removing the optical drive 7. Flex the optical drive bracket as shown to remove the optical drive from the bracket. Figure 39. Removing the optical drive from the bracket ThinkCentre M800 and M900 Hardware Maintenance Manual...
8. Flex the bracket and insert the two pins on the optical drive bracket into the holes in the new optical drive. Then, pivot the optical drive downward until it snaps into position. Figure 40. Installing the optical drive into the bracket 9.
1 “Read this first: Important safety information” on page 1. To replace the storage drive, refer to one of the following topics: • “Replacing the 2.5-inch storage drive in the primary storage drive bay” on page 107 ThinkCentre M800 and M900 Hardware Maintenance Manual...
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• “Replacing the 2.5-inch storage drive in the secondary storage drive bay” on page 110 • “Replacing the 3.5-inch storage drive in the primary storage drive bay” on page 114 Replacing the 2.5-inch storage drive in the primary storage drive bay To replace the 2.5-inch storage drive in the primary storage drive bay, do the following: 1.
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12. Position the 2.5-inch storage drive into the storage converter so that the holes in the drive are aligned with the corresponding holes in the converter. Then, install the four screws to secure the 2.5-inch storage drive to the converter. Figure 47. Installing the 2.5-inch storage drive into the storage converter ThinkCentre M800 and M900 Hardware Maintenance Manual...
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13. Flex the bracket and insert the pins – on the 3.5-inch storage bracket into the holes in the storage converter. Do not touch the circuit board on the bottom of the 2.5-inch storage drive. Figure 48. Installing the 2.5-inch storage converter into the 3.5-inch storage drive bracket 14.
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6. Disconnect the signal cable and the power cable from the 2.5-inch storage drive. See “Parts on the system board” on page 35. 7. Press the retaining clip in the direction as shown and pivot the drive bay assembly upward at the same time. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Figure 51. Pivoting the drive bay assembly upward 8. Remove the screw that secures the storage drive bracket to the drive bay. Then, carefully slide the storage drive bracket as shown to remove it from the bay. Figure 52. Removing the 2.5-inch storage drive bracket Chapter 9 Installing or replacing hardware...
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Then, pivot the storage drive downward until it snaps into position and install the fours screws secure the storage drive to the bracket. Figure 54. Installing the 2.5-inch storage drive into the bracket ThinkCentre M800 and M900 Hardware Maintenance Manual...
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12. Carefully slide the 2.5-inch storage drive bracket as shown until it is secured by the four retaining clips in the storage drive bay. Then, install the screw to secure the bracket to the drive bay. Figure 55. Installing the 2.5-inch storage drive bracket 13.
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35. 7. Press the retaining clip in the direction as shown and pivot the drive bay assembly upward at the same time. Figure 57. Pivoting the drive bay assembly upward ThinkCentre M800 and M900 Hardware Maintenance Manual...
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8. Slide out the 3.5-inch storage drive bracket to remove it from the computer. Figure 58. Removing the 3.5-inch storage drive bracket 9. Flex the sides of the black bracket to remove the 3.5-inch storage drive. Figure 59. Removing the 3.5-inch storage drive from the bracket Chapter 9 Installing or replacing hardware...
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Figure 61. Installing the 3.5-inch storage drive bracket 12. Press the release tab on the right side of the drive bay assembly and pivot the drive bay assembly downward until it snaps into position. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Figure 62. Pivoting the drive bay assembly downward 13. Connect the signal cable and the power cable to the new 3.5-inch storage drive. 14. Install the optical drive. See “Replacing the optical drive” on page 104. 15. Install the front bezel. See “Replacing the front bezel” on page 88. What to do next: •...
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8. The front fan is attached to the chassis by four rubber mounts. Remove the front fan by breaking or cutting the rubber mounts and gently pulling the front fan out of the chassis. Note: The new front fan comes with four new rubber mounts attached. Figure 64. Removing the front fan ThinkCentre M800 and M900 Hardware Maintenance Manual...
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9. Install the new front fan by aligning the four new rubber mounts on the new front fan 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 in place.
1. Remove any media from the drives and turn off all connected 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 88. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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3. Remove the front bezel. See “Replacing the front bezel” on page 88. 4. Remove the optical drive. See “Replacing the optical drive” on page 104. 5. Locate the memory module you want to replace. The memory modules are installed in the memory slots on the system board.
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12. Position the heat sink fan duct on the top of the new heat sink and fan assembly as shown. Then, press the heat sink fan duct straight down until it snaps into position. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Figure 71. Installing the heat sink fan duct 13. Press the release tab on the right side of the drive bay assembly and pivot the drive bay assembly downward until it snaps into position. Figure 72. Pivoting the drive bay assembly downward 14.
5. Install the new PCI card into the card slot on the PCI adapter card. Note: Ensure that the metal tab is in the closed position as shown before you install the new PCI card into the card slot on the adapter. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Figure 74. Installing the PCI card 6. Pivot the card latch to the closed position to secure the PCI card. Figure 75. Securing the PCI card 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 147. Replacing the Wi-Fi card Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Read this first: Important safety information” on page 1. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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To replace the Wi-Fi 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.
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6. Remove the two screws that secure the Wi-Fi card. Figure 80. Removing the screws that secure the Wi-Fi card 7. Pull the Wi-Fi card out of the mini PCI Express slot. Figure 81. Removing the Wi-Fi card ThinkCentre M800 and M900 Hardware Maintenance Manual...
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8. Insert the new Wi-Fi card into the mini PCI Express slot. Figure 82. Installing the Wi-Fi card 9. Install the two screws to secure the Wi-Fi card to the Wi-Fi adapter card. Figure 83. Installing the screws that secure the Wi-Fi card 10.
“Replacing the rear Wi-Fi antenna” on page 133 Replacing the front Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Read this first: Important safety information” on page 1. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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To replace 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.
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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 147. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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Replacing the rear Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Read this first: Important safety information” on page 1. To replace the rear Wi-Fi antenna, do the following: 1.
Figure 93. Removing the 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. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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• If the card is held in place by a retaining latch, press the card retaining latch as shown to disengage the latch. Grasp the card and gently pull it out of the slot. 6. Install the new PCI Express card into the appropriate PCI Express card slot on the system board. See “Parts on the system board”...
8. Reinstall the PCI Express x16 graphics card if you have removed it. See “Replacing a PCI Express card” on page 134. 9. Reinstall the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 137. ThinkCentre M800 and M900 Hardware Maintenance Manual...
10. Reinstall the computer cover and connect the cables. See “Completing the parts replacement” on page 147. 11. Turn on the computer and all connected devices. Note: When the computer is turned on for the first time after replacing the coin-cell battery, an error message might be displayed.
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, and then fully tighten screw 10. Connect the cable of the new heat sink and fan assembly to the microprocessor fan connector on the system board. See “Parts on the system board” on page 35. ThinkCentre M800 and M900 Hardware Maintenance Manual...
11. Position the heat sink fan duct on the top of the new heat sink and fan assembly as shown. Then, press the heat sink fan duct straight down until it snaps into position. Figure 100. Installing the heat sink fan duct What to do next: •...
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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. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator. The new microprocessor is in the correct orientation when this indicator faces the beveled corner of the microprocessor socket. Figure 103. Installing the microprocessor 11.
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12. Remove the microprocessor. See “Replacing the microprocessor” on page 139. 13. Record the cable routing and cable connections, and then disconnect all cables from the system board. See “Parts on the system board” on page 35. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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14. Remove the eight screws that secure the system board, and then carefully lift the system board out of the chassis. Note: Carefully handle the system board by its edges. Figure 105. Removing the eight screws that secure the system board 15.
Underwriters Laboratories (UL) certification. CAUTION: Hazardous moving parts. Keep fingers and other body parts away. CAUTION: Never remove the cover on a power supply or any part that has the following label attached. ThinkCentre M800 and M900 Hardware Maintenance Manual...
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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. To replace the power supply assembly, do the following: 1.
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14. Reinstall the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 137. 15. Press the release tab on the right side of the drive bay assembly and pivot the drive bay assembly downward until it snaps into position. ThinkCentre M800 and M900 Hardware Maintenance Manual...
Figure 110. Pivoting the drive bay assembly downward 16. Install the optical drive. See “Replacing the optical drive” on page 104. 17. Install the front bezel. See “Replacing the front bezel” on page 88. What to do next: • To work with another piece of hardware, go to the appropriate section. •...
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7. Update your configuration. See “Using the Setup Utility program” on page 61. 8. If a newly installed hardware component does not work normally, update the device driver. See “Keeping your computer current” on page 52. ThinkCentre M800 and M900 Hardware Maintenance Manual...
User Guide. Lenovo Web site The Lenovo Web site (http://www.lenovo.com) provides up-to-date information and services to help you buy, upgrade, and maintain your computer. You also can do the following: • Shop for desktop and notebook computers, monitors, projectors, upgrades and accessories for your computer, and special offers.
• Engineering Change management - There might be changes that are required after a product has been sold. Lenovo or your reseller will make selected Engineering Changes (ECs) that apply to your hardware available.
For technical assistance with the installation of or questions related to Service Packs for your preinstalled Microsoft Windows product, go to the Microsoft Product Support Web site at http://support.microsoft.com. You also can contact the Lenovo Customer Support Center for help. Some fees might apply. Purchasing additional services During and after the warranty period, you can purchase additional services.
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• Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio or television interference caused by using other than specified or recommended cables and connectors or by unauthorized changes or modifications to this equipment.
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Geräte der Klasse B. Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Gropiusplatz 10, D-70563 Stuttgart. Informationen in Hinsicht EMVG Paragraf 4 Abs. (1) 4: Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B.
All regulatory notices are available on the Lenovo Support Web site in electronic format. To access electronic copies of the documentation, go to http://www.lenovo.com/UserManuals.
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Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
If you need to replace it with a new one, contact your place of purchase or contact Lenovo for service. If you need to dispose of a disused lithium battery, insulate it with vinyl tape, contact your place of purchase or an industrial-waste-disposal operator, and follow their instructions.
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Customer participation is important to minimize any potential effects of batteries and accumulators on the environment and human health due to the potential presence of hazardous substances. For proper collection and treatment, go to: http://www.lenovo.com/recycling Appendix B. WEEE and recycling information...
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For more information about Lenovo worldwide compliance on RoHS, go to: http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Waste Electrical and Electronic Equipment (WEEE). Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management &...
For more information about ENERGY STAR, go to: http://www.energystar.gov Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations. To help in this endeavor, set the following power-management features to take effect when your computer has been inactive for a specified duration: Table 1.
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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.
Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo ThinkCentre The ThinkCentre logo Rescue and Recovery ThinkVantage Microsoft, Windows, and Windows Media are trademarks of the Microsoft group of companies.