Lenovo ThinkCentre Edge 91z Hardware Maintenance Manual (HMM) for ThinkCentre
Lenovo ThinkCentre Edge 91z Manual
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- Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 1
ThinkCentre Hardware Maintenance Manual Machine Types: 1732, 1734, 1736, 7074, 7075, 7077, 7078, 7556, and 7559 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 2
- Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 3
ThinkCentre Hardware Maintenance Manual Machine Types: 1732, 1734, 1736, 7074, 7075, 7077, 7078, 7556, and 7559 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 4
it supports, be sure to read and understand the ThinkCentre Edge Safety and Warranty Guide and Appendix A "Notices" on page 221. Fourth Edition (November 2011) © Copyright Lenovo 2011. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 5
drive 95 Replacing the optical drive 97 Removing the VESA mount bracket 99 Replacing the rear I/O assembly 100 Removing and reinstalling the system board shield 102 Removing and reinstalling the system fan . . . . 103 Replacing the power supply 104 Replacing the microprocessor fan 106 iii - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 6
64 Recovery CD . . . 198 Windows 7 Professional 32 Recovery CD . . . . 204 Windows 7 Professional 64 Recovery CD . . . . 208 Windows 7 starter 32 Recovery CD 214 Chapter 10. Additional Service Information 217 Security features 217 Hardware controlled Passwords 217 Operating system password - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 7
a Lenovo product, be sure to read the Safety Information in Chapter 2 "Safety information" on page 3. The Symptom-to-FRU (field replaceable units) Index and Additional Service Information chapters are not specific to any machine type and are applicable to all ThinkCentre Edge computers. This manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 8
2 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 9
servicing you can stand safely 4. Lift by standing or by pushing objects that you think are too other service representatives , while you are servicing the machine. • Keep After service, power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 10
instructions touching can cause personal injury and machine damage. • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: - Power supply power. - Send another person to get medical aid. 4 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 11
guide consists of a series of steps presented in a checklist. Begin the checks with the power off, and the power cord disconnected. Checklist: 1. Check exterior covers for damage (loose, broken, or sharp edges). 2. Power-off the computer. Disconnect the power cord. 3. Check the power power-supply - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 12
part from touching your clothing. system, such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system system. You can use coax or connector-outside shells on these systems system current from power, telephone and all power cords - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 13
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 disassemble - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 14
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. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 8 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 15
Chapter 2. Safety information 9 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 16
≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) 2 1 PERIGO 10 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 17
A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. 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 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 18
cabo de alimentação. Para remover toda a corrente elétrica do dispositivo, assegure que todos os cabos de alimentação estejam desconectados da fonte de alimentação. 2 1 12 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 19
Chapter 2. Safety information 13 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 20
2 1 14 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 21
Chapter 2. Safety information 15 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 22
réseaux, aux systèmes de télécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d'installation et de configuration). • és, reportez-vous aux instructions ci-dessous pour connecter et déconnecter les différents cordons. 16 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 23
les unités SOUS TENSION. ATTENTION: Remplacer la pile au lithium usagée par une pile de référence identique exclusivement, (référence 45C1566), ou suivre les instructions du fabricant qui en définit les équivalences. Si votre système est doté d'un module contenant une pile au lithium, vous devez le - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 24
ühren von Oberflächen mit unterschiedlichem elektrischem Potenzial zu vermeiden. • Geräte niemals einschalten, wenn Hinweise auf Feuer, Wasser oder Gebäudeschäden vorliegen. 18 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 25
Lithiumbatterie nur durch eine Batterie mit der Teilenummer 45C1566 oder eine gleichwertige, vom 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 enth - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 26
mit mehreren Netzkabeln ausgestattet sein. Um die Stromversorgung für die Einheit vollständig zu unterbrechen, müssen alle zum Gerät führenden Netzkabel vom Netz getrennt werden. 2 1 20 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 27
Chapter 2. Safety information 21 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 28
a una presa di alimentazione correttamente cablata e dotata di messa a terra. • Collegare alle prese elettriche appropriate tutte le apparecchiature che verranno utilizzate per questo prodotto. 22 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 29
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. Chapter 2. Safety information 23 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 30
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. 2 1 24 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 31
Chapter 2. Safety information 25 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 32
mano para conectar o desconectar los cables de señal. • No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales. 26 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 33
• 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. • Conecte y desconecte los cables, como se - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 34
suprimir toda la corriente eléctrica del dispositivo, asegúrese de que todos los cables de alimentación estén desconectados de la toma de corriente. 2 1 28 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 35
Toolbox" on page 51 for detailed information. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information collection, security status, and support information, along with hints and tips for - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 36
information: • CRU removal and installation instructions • Publications • Troubleshooting information • Parts information • Downloads and drivers • Links to other useful sources of information To access this information, go to: http://www.lenovo.com/support 30 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 37
This section lists the physical specifications for your computer. Dimensions Width: 545.2 mm (21.46 inches) Height: 414.3 mm (16.31 inches) Depth: 81 mm (3.19 inches) Weight Maximum configuration as shipped: 8.4 kg (18.52 lb) Environment • Air temperature: Operating: 10°C to 35°C (50°F to 95 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 38
32 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 39
requesting assistance from 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 2011 33 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 40
(version) 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. 34 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 41
to help you troubleshoot your computer problems. Note: If you cannot correct the problem, have the computer serviced. For a list of service and support telephone numbers, refer to the ThinkCentre Edge Safety and Warranty Guide that comes with your computer or go to the Lenovo Support Web site at - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 42
that come with the wireless keyboard or mouse, or refer to your Windows Help and Support information system for wireless related instructions. If your wireless mouse has a dongle, make sure the dongle is correctly connected to one of the USB connectors on the computer. • For the wireless keyboard - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 43
it is inserted into a drive" on page 38 • "Sound comes from one external speaker only" on page 38 • "No audio in DOS applications or games" on page 38 No audio in Windows Symptom: No audio in Windows Actions: • If you are using powered external speakers that have an On/Off control, verify that the - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 44
emulation. • Verify that the audio device drivers are correctly installed. See Microsoft Windows help system for more information. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 45
a combination of CD and DVD drives), try inserting the disc into the other drive. In some cases, only one of the drives is connected to the audio subsystem. • If you are using the Windows 7 operating system, follow the action for "A CD or DVD does not work" on page 39. If this does not - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 46
any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is set to less than 1152 x 864. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 47
problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions Performance USB keyboard and one or more of the Rapid system in the Enhanced Performance Customization Keyboard program to help diagnose problems with the Rapid Access buttons. • On the Windows 7 operating system - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 48
problem, have the computer and keyboard serviced • Verify that the device drivers for the mouse or pointing problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions anything hard. • Using or touching the reader with a dirty finger ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 49
screen Symptom: Wrong characters appear on the screen. Action: Have the computer serviced drivers are required. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions refresh rate supported by your Troubleshooting and diagnostics 43 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 50
Sound ➙ Adjust screen resolution ➙ Advanced Settings. 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 "Additional - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 51
is connected and the distance is within acceptable limits but the problem persists, try a different cable. • The cable is installed properly. • You are using the correct device driver. On the Windows 7 operating system, do the following: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 52
-compliant (gigabit over copper). A wireless LAN problem Symptom: You cannot connect using the built-in wireless networking card. Actions: • Make sure that your wireless LAN driver is the latest version. Check the Web site and verify the driver version supported by Access Connections is the latest - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 53
Bluetooth, a PIM item sent from the Windows 7 operating system 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 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 54
drivers are installed correctly. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions is displayed. Actions to free up disk space: • On the Windows 7 operating system, do one or all of the following: - 1. Click Start ➙ Computer. - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 55
comes with your printer. If you cannot correct the problem, have the computer serviced. See "Additional information resources" on page 30. Serial port problems Serial port is available with some certain computer models. Use this information to troubleshoot the serial port and devices attached to the - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 56
or one of its components, refer to the Windows help system. It is accessible from the Windows Start menu. • To determine if problems are caused by newly installed software, verify that: - Your computer has the minimum memory requirements needed to use the software. See the information supplied with - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 57
. • Make sure any device drivers or other software supplied with the USB device is correctly download the PC-Doctor for DOS diagnostic program from http://www.lenovo.com/support. See "PC-Doctor for DOS" on page 52 for detailed information. 3. If you are unable to isolate and repair the problem - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 58
the screen. For additional information, refer to the Lenovo ThinkVantage Toolbox help system. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information collection, security status, and support - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 59
the operating system, you need to restart the computer to access the diagnostic program. 3. Follow the instructions on the screen to log. See "Viewing the test log" on page 54. To select one or more tests, use the following procedure. 1. Open the corresponding 5. Troubleshooting and diagnostics 53 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 60
or function within the PC. • Failure Type: drive, serial or parallel port, processor, specific RIMM, or a device on the PCI instructions. Viewing the test log Errors reported by the diagnostic test will be displayed by the program as a failed test. 54 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 61
To view details of a failure or to view a list of test results, use the following procedure from any test category screen: 1. Press F3 to activate the log file. 2. Press F3 again to save the file to diskette or press F2 to print the file. Chapter 5. Troubleshooting and diagnostics 55 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 62
56 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 63
system you are using. However, the operating system beeps or see a logo screen, release the F1 key. Note: If a Power-On Password or an Administrator memory module size has decreased, an error message will be displayed when you start the computer and you will be prompted to do one Lenovo 2011 57 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 64
Security. 3. Depending on the password type, select Set Power-On Password or Set Administrator Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: or disable user access to the following devices: 58 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 65
or the disc in an optical drive) as expected, do one of the following to select the desired startup device. Selecting a temporary startup device This section provides instructions on how to select a temporary startup device. You can use the instructions in this section to start up from any startup - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 66
program. • If you do not want to save the settings, select Exit ➙ Discard Changes and Exit, and then press Enter. 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 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 67
Attempt to back up the data on the failing hard disk drive. 2. Using the operating system programs, format the hard disk drive. Replace the hard disk drive. Power Supply Problems If you suspect a power problem, use the following procedures. Check/Verify Check the following for proper installation - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 68
53 for the specific type for System board 1. Flash the system. See "Flash update procedures" on page 217. 2. System board Information only Restart the test, if necessary 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 62 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 69
the Setup Utility program. 2. Flash the system. See "Flash update procedures" on page 217. 3. System board System board 1. Reboot the system. 2. Flash the system. See "Flash update procedures" on page 217. 3. Run memory test. 4. System board System board System board Chapter 7. Symptom-to-FRU Index - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 70
test. 3. Replace component under function test. System board System board System board 1. Device on IRQ1 2. System board 1. Device on IRQ2 2. System board 1. Device on IRQ3 2. System board 1. Device on IRQ4 2. System board 1. Device on IRQ5 2. System board 64 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 71
-XXX 001-287-XXX 001-288-XXX System Timer failure 001-292-XXX System CMOS RAM error 001-293-XXX System CMOS Battery 001-298-XXX System RTC date/time update failure 001-299-XXX System RTC periodic interrupt failure 001-300-XXX System RTC Alarm failure 001-301-XXX System RTC Century byte error 005-000 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 72
test. See "Flash update procedures" on page 217. 3. Go to "Undetermined problems" on page 82. 1. Go to "Undetermined problems" on page 82. 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Replace component under function test. 66 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 73
-196-XXX Diskette interface test halt, error threshold exceeded 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 006 and/or enabled. 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Go to "Undetermined problems" on page 82. 006-199-XXX - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 74
System board 014-195-XXX Parallel port Test aborted by user Information only Restart the test, if necessary. 014-196-XXX Parallel port test halt, error threshold exceeded 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 68 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 75
"Flash update procedures" on page 217. 2. System board System board 1. Reboot the system 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Run memory test. 4. System board 1. Remove USB device(s) and re-test. 2. System board System board 1. Run the Setup Utility program - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 76
unknown FRU/Action 1. Press F3 to review the log file. 2. Restart the problems" on page 82. 1. Go to "Undetermined problems" on page 82. 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Replace component under function test. 70 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 77
82. 1. Go to "Undetermined problems" on page 82. 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Replace component under function test. 1. PCI card 2. Riser card, if installed. 3. System board No action 1. IDE signal cable 2. Check power supply voltages. 3. Reseat IDE - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 78
procedures" on page 217. 3. SCSI device 4. SCSI adapter card, if installed. 5. System board 1. SCSI signal cable 2. Check power supply 3. SCSI device 4. SCSI adapter card, if installed. 5. System board Information only Restart the test, if necessary. 72 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 79
page 217. 3. Go to "Undetermined problems" on page 82. 1. Go to "Undetermined problems" on page 82. 2. Flash the system and re-test. See "Flash 3. RAID adapter card, if installed 4. System board Information only Restart the test, if necessary. 1. Press F3 to review the log file. 2. Restart the test - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 80
3. Go to "Undetermined problems" on page 82. 071-199-XXX Audio port test failed, cause unknown 1. See "Undetermined problems" on page 82. 2. Flash the system and re-test. See 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 74 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 81
program" on page 57 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Go to "Undetermined problems" on page 82. 080-199-XXX -XXX Mouse Port interface test halt, error threshold exceeded 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 086 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 82
No action 1. Microprocessor(s) 2. System board Information only Restart the test, if necessary. 1. Press F3 to review the log file. 2. Restart the system and re-test. See "Flash update procedures" on page 217. 3. Go to "Undetermined problems" on page 82. 76 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 83
, cause unknown 1. See "Undetermined problems" on page 82. 2. Flash the system and re-test. See "Flash update procedures" on page 217. 3. Replace component under function test. 170-250-XXX 170-251-XXX Voltage Sensor(s) Voltage limit error 1. Power supply 2. System board 170-254-XXX Voltage - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 84
-XXX Joystick error FRU/Action 1. Replace the memory module called out by the test. 2. System board No action 1. Cache, if removable 2. System board 3. Microprocessor No action 1. Diskette Drive Cable 2. Check power supply voltages 3. Diskette drive 4. System board No action 1. CD-ROM Drive Cable - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 85
Power-On Self-Test, or POST. POST does the following operations. • Checks some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that the boot drive is working If the POST detects a problem, an error message appears on the screen. A single problem - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 86
system might be overheating. Press F10 to exit. Keyboard not found Memory size decreased Configuration change has occurred Note: If the problem one external fingerprint reader are attached. Power off and remove all but the reader that you set up within your main operating system. If more than one - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 87
Power Supply 2. System Board Diskette drive in-use light remains on or does not light when drive is active. 1. Diskette Drive 2. System Board 3. Diskette Drive Cable Blank screen except for flashing cursor. 1. System Board 2. Primary Hard Disk Drive 3. Hard Disk Drive Cable Incorrect memory - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 88
not work 1. Keyboard 2. Keyboard Cable 3. System Board Undetermined problems This section provides instructions on how to find out the failing devices or adapters. 1. Power-off the computer. 2. Remove or disconnect the following components (if installed) one at a time. a. External devices (modem - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 89
"Safety information" on page 3. These precautions and guidelines will help you work safely. FRU replacements are to be done by trained service technicians only. Locating connectors, controls, and indicators on the front of your computer Figure 1 "Front connector, control, and indicator locations" on - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 90
control 7 VGA-in control 8 Internal speakers 9 Card reader (available in some models) 10 USB connector 11 Headphone connector 12 Microphone connector 13 USB connector 1 Auto-adjusting control is enabled only while the computer is used in monitor mode. 84 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 91
provides instructions on how to use your computer in monitor mode. To use your computer in monitor mode, you need to have a second computer. Connect one USB connectors (4) 4 Power cord connector 5 Ethernet connector 6 VGA-in connector 7 HDMI-out connector 8 System stand Chapter 8. Replacing FRUs - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 92
stand hinge cover 2 System stand 3 Computer cover 4 System board shield window 5 System board shield 6 System fan 7 Handle bar 8 Battery 86 ThinkCentre Hardware Maintenance Manual 15 Internal speaker 16 Wifi card 17 Power supply 18 Rear I/O connector 19 Internal speaker 20 Control button board 21 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 93
9 Heat sink assembly (with a microprocessor underneath) 10 Memory module 11 Microprocessor fan 12 System board 13 Card reader 14 Foot stand 23 Hard disk drive 24 LCD bracket 25 Optical drive 26 VESA mount bracket 27 Integrated camera Chapter 8. Replacing FRUs 87 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 94
connector 14 Power supply connector 15 Microprocessor Removing and reinstalling the system stand hinge cover Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Edge Safety and Warranty Guide that came - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 95
the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the system stand hinge cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the system stand - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 96
before reading and understanding the "Important safety information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support 90 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 97
provides instructions on how to remove and reinstall the system stand. To remove and reinstall the system stand, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the system stand hinge cover. See "Removing and reinstalling the system stand - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 98
that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the foot stands. CAUTION: Turn off the computer and wait three to five minutes to let the computer - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 99
computer 7. To reinstall the foot stands, place each foot stand on the computer so that the screw hole aligns with the corresponding hole in the computer, and then reinstall the screw to secure each foot stand to the computer. Figure 12. Reinstalling each foot stand to the computer 8. Reinstall the - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 100
Figure 13. Reinstalling the rubber piece on each foot stand 94 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 101
the "Important safety information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove the computer cover - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 102
copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the hard disk drive. To replace the hard disk drive, do the following: 1. Remove all media from the drives and turn - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 103
the hard disk drive out of the bracket. Do not touch the circuit board on the bottom of the hard disk drive disk drive bracket. 9. Connect the hard disk drive cable. 10. Slide the new hard disk drive with the bracket into in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 104
copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support 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. - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 105
information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove the VESA mount bracket. Chapter 8. Replacing - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 106
ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the rear I/O assembly. 100 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 107
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 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 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 108
safety information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the system board shield. To - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 109
came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the system fan. To remove and reinstall the system fan, do the following: 1. Remove all media from the - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 110
that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the power supply. To replace the power supply, do the following: 104 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 111
screen is against the surface and the cover is facing up. 3. Remove the computer cover. See "Removing the computer cover" on page 95. 4. Remove the VESA mount bracket. See "Removing the VESA mount bracket" on page 99. 5. Locate the power supply. See "FRU locations" on page 86. 6. Remove the system - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 112
ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions microprocessor fan cable from the system board. See "System board parts and connectors" - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 113
ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions the computer. Then, disconnect all power cords from electrical outlets and disconnect - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 114
the "Important safety information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the microprocessor. CAUTION - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 115
Then, disconnect all power cords from electrical outlets gently lay it down so that the screen is against the surface and the cover is one corner of the microprocessor or note the orientation of the notches 2 on the microprocessor. This is important when installing a new microprocessor on the system - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 116
orientation of the microprocessor in the socket c. Touch only the sides of the microprocessor. Do not touch the gold contacts on the bottom. d. Do 10. Hold the new microprocessor and align the notches 2 on it with the alignment keys in the microprocessor socket, or align the small triangle 1 on one - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 117
the system board shield. See "Removing and reinstalling the system board shield ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 118
your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to open and close the system board shield window. To open and close the system board shield window, do the following: 1. Remove all media - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 119
that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the battery. Your computer has a special type of memory that maintains the date, time, and settings for built-in - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 120
Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to install or replace a memory module. 114 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 121
get access to the battery. See "Removing and reinstalling the system board shield" on page 102 or "Opening the system board shield window" on page 112. 6. Remove any parts and disconnect any cables that might prevent your access to the memory slots. 7. Do one of the following: • If you are replacing - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 122
the "Important safety information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the internal speakers - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 123
ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions disconnect the cable from the system board. See "System board parts and connectors" on - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 124
that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the system board. To replace the system board, do the following: 1. Remove all media from the drives and turn - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 125
the microprocessor" on page 108. 8. Remove the memory modules. See "Installing or replacing a memory module" on page 114. 9. Remove the battery. See "Replacing the battery" on page 113. 10. Remove the rear I/O assembly to gain access to the system board. See "Replacing the rear I/O assembly" on - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 126
Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the LCD panel. To replace the LCD panel, do the following: 120 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 127
disconnect all power cords from electrical lay it down so that the screen is against the surface and the stands. See "Removing and reinstalling the foot stands" on page 92. Figure 43. Removing the foot stands and the touch panel control board cable from the system board. See "System board parts - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 128
the computer main bracket to the front bezel 10. Note the locations of all cable connections that prevent you from lifting the computer main bracket and disconnect all cables. See "System board parts and connectors" on page 88. 11. Remove the ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 129
14. Remove the four screws that secure the chassis to the LCD panel, and then lift the chassis out of the computer to gain assess to the LCD panel. Disconnect all the cables that prevent your from removing the LCD panel out of the computer. Figure 47. Removing the four screws that secure the LCD - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 130
102. 24. Reinstall the foot stands. See "Removing and reinstalling the foot stands" on page 92. 25. Connect all the cables that were disconnected. See "System board parts and connectors" on page 88. 26. Go to "Completing the parts replacement" on page 127. 124 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 131
L10 Converter board Not available Converter-to-system board cable Not available Converter-to- ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 132
Then, disconnect all power cords from electrical the screen is against the system board. Figure 51. Removing the screw that secures the WI-FI card to the system board 8. Pivot the WI-FI card upward and lift the WI-FI card out of the mini PCI Express slot. 126 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 133
the WI-FI card to align the screw hole in the new WI-FI card with that in the system board. 10. Install the screw to secure the new WI-FI card to the system board. 11. Connect the two cables to the new WI-FI card. 12. Reinstall the rear I/O assembly. See - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 134
the system stand and system stand hinge cover. See "Removing and reinstalling the system stand" on page 90 and "Removing and reinstalling the system stand hinge cover" on page 88. 5. Lock the computer cover if you have an integrated cable lock. 6. Reconnect the external cables and power cord - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 135
"1," "2," or "N" in the CRU column. "N" means that the part is not a CRU, "1" means that the part is a Self-service CRU, and "2" means that the part is an Optional-service CRU. Overall: MT 1732, 1734, 1736, 7074, 7075, 7077, 7078, 7556, and 7559 The Fru list below is for MTs: 1732, 1734, 1736, 7074 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 136
rear cover, non-touch • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models system board shielding, card reader • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models 130 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 137
G8A G9J H1J H4G H5J H6J H7T • MT 7074: CTO D4G D7G E7A 9 • MT 7075: CTO G5G G7G H3G H6G J1G J8M J2A J2T J8M K1B 03T8010 N L1U L1F L1S L3J B2G B2M B2A B2H B2J B3M B4J B9U B9F 9 B9S D1G D5G D9M E3M 03T8015 N • MT 7075: CTO G8U G8F G8S H2U H2F H2S H4G K5A K6A • MT 7077: CTO B1G • MT 7078: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 138
• MT 1732: CTO B1U B1S B1F • MT 1736: CTO • MT 7074: CTO 9 • MT 7075: CTO D6J J6G • MT 7077: CTO B2G B3G 03T6226 N • MT 7078: CTO B1G B2G MT 7074: CTO 9 • MT 7075: CTO J7G 03T6225 N • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO 132 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 139
7078: CTO • MT 7556: CTO • MT 7559: CTO Microprocessor, Ci3-2130,3.40GHz/3M/65W,dual core • MT 1732: CTO A9G • MT 1736: CTO F9B G1B G2V G3V G4V G5V • MT 7074: CTO E5U E5F E5S 9 • MT 7075: CTO K2V K3V K4V K7G K8G L5G L6G 03T8358 N • MT 7077: CTO • MT 7078: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 140
MT 7556: CTO • MT 7559: CTO Memory module, 1GB PC3-10600 1333MHz DDR3 SoDIMM • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO 10 • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO 03T8354 N 03T8356 N 03T8355 N 64Y6650 N 134 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 141
7075: CTO B6J B7J B9A B9T D3G D3M D3A D3H D3J F4A F4H F4J D4M D5J D7J D9A E1A E3A E3T E4A E5A E6A E6T E7T 10 K9Q L1Q L6Q M4B N2V N3J N4J N5J N6J Memory module, 4GB PC3-10600 1333MHz DDR3 SoDIMM • C1G C2G • MT 7078: CTO B1G B2G B3G B4G System board, system board 6 layer, with GPU • MT 1732: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 142
M2G M3G M4B M7B M System board, system board 6 layer, without GPU • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO B2M B3M B4M CTO • MT 7074: CTO 13 • MT 7075: CTO 03T9016 N • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO 136 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 143
models • MT 7077: all models 03T6435 2 • MT 7078: all models • MT 7556: all models • MT 7559: all models Power supply, AIO standard 150w PSU • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO B2M B3M B4M B5M B6J B7J B8J B9A B9T D1A D1Q D1T D2G D2M D2A D2H D2J D3G - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 144
K7V K8Q K9Q L1Q L2Q L3Q L4Q L5Q L6Q L7Q L8Q L9 Power supply, AIO standard 180w PSU • MT 1732: CTO A1M A2M A3M A4U models 20 • MT 7075: all models • MT 7077: all models 03T9020 2 • MT 7078: all models • MT 7556: all models • MT 7559: all models 138 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 145
touch • MT 1732: all models • MT 1736: all models • MT 7074: all models 20 • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all models • MT 7559: all models 21.5 1920x1080 LED panel • MT 1732: all models • MT 1736: all models • MT 7074: all models 21 • MT 7075 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 146
B1S B1F B6U B6F B6S • MT 1736: CTO H5J H6J • MT 7074: CTO E5U E5F E5S E6U E6F E6S 23 • MT 7075: CTO L4M L7U L7F L7S 8U L8F L8S L9U L9F L9S 40Y9036 N • MT 7077: CTO C2G • MT 7078: CTO • : CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO H1J H2J 140 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 147
C2J C3J G9J H1J • MT 7074: CTO B2G B2M B2A B2H B2J D4G D7G E1M • MT 7075: CTO B2M B6J B7J D2G D2M D2A D2H D2J D3G D3M 23 D3A D3H D3J F4A F4H F4J C2J C3J G9J H1J • MT 7074: CTO B2G B2M B2A B2H B2J D4G D7G E1M • MT 7075: CTO B2M B6J B7J D2G D2M D2A D2H D2J D3G D3M 23 D3A D3H D3J F4A F4H F4J - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 148
G2V G3V G4V G5V G8A H2G H3G • MT 7074: CTO B4J B9U B9F B9S D1G D5G E2M E3M 23 • MT 7075: CTO D1A D1Q D1T D6J G8U G8F G8S H2U H2F H2S 03T7042 N H4G H9G J2A J2T J3A J3T K1B K5A K6A B4B B9V E5Q E6Q E7Q E8Q F4Q F5Q F6Q K1B L8Q M1G M8B M5B M9V N1V N2V 142 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 149
1732: CTO • MT 1736: CTO B8J C1J C3J G9J H5J • MT 7074: CTO 25 • MT 7075: CTO D4M • MT 7077: CTO 71Y5848 N • MT 7078: CTO • MT 7556: CTO B3J • CTO A2M • MT 1736: CTO F9B F8B G2V G3V • MT 7074: CTO B4J 25 • MT 7075: CTO E7T G7G 45K0457 N • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 150
MT 7075: all stand, without panel, non-touch • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all models • MT 7559: all models FRU # 03T7059 03T9618 N N CRU N N 144 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 151
• MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all models - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 152
reader cable • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all models • MT 7559: all models FRUs 146 ThinkCentre Hardware Maintenance Manual FRU # CRU 03T7056 N 03T9036 N 03T9037 N 03T9634 N - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 153
FRUs FRU, front bezel with switch buttons, non-touch • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all models • MT 7559: all models FRU, cable converter system board, AUO • MT 1732: all models • MT 1736: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 154
7074: all models • MT 7075: all models • MT 7077 models • MT 7074: all models • MT 7075: all models • MT 7077: all models stand model • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 155
• MT 7078: all models • MT 7556: all models • MT 7559: all models FRU, mechanical panel bracket with LED panel, touch • MT 1732: all models • MT 1736: all models • MT 7074: all models • MT 7075: all models • MT 7077: all models • MT 7078: all models • MT 7556: all models • MT 7559: all models - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 156
• MT 1736: CTO G8A • MT 7074: CTO B9U E2M E3M E4T E6U • MT 7075: CTO D4M G1U G2U G3U G4U G8U H1U H2U J8M K9U L1U L2U L7U L8U L9U • CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # 54Y9293 54Y9294 54Y9295 CRU CRU 1 1 1 150 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 157
M3G Slim USB--Brazil/Portuguese • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Slim 1732: CTO • MT 1736: CTO C4G E6G E7G F1G H4G • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 158
QWERTY or ABB • MT 1732: CTO • MT 1736: CTO C4G E6G E7G F1G H4G • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO B2G B3G B4G B5G J6G J7G L9G M1G M2G M3G FRU # 54Y9300 54Y9301 54Y9302 54Y9303 CRU 1 1 1 1 152 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 159
• MT 1732: CTO A4F B1F • MT 1736: CTO • MT 7074: CTO B9F E6F • MT 7075: CTO G1F G2F G3F G4F G8F H1F H2F K9F L1F L2F L7F L8F L9F • MT 7077: CTO • Canadian • MT 1732: CTO A4F B1F • MT 1736: CTO • MT 7074: CTO B9F E6F • MT 7075: CTO G1F G2F G3F G4F G8F H1F H2F K9F L1F L2F L7F L8F L9F • MT 7077: CTO • MT - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 160
USB--Hungarian • MT 1732: CTO • MT 1736: CTO C4G E6G E7G F1G H4G • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO B2G B3G B4G J5G J6G J7G L9G M1G M2G M3G FRU # 54Y9308 54Y9309 54Y9310 54Y9311 CRU 1 1 1 1 154 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 161
M2G M3G Slim USB--Korean • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Slim • MT 1732: CTO A4S B1S • MT 1736: CTO • MT 7074: CTO B9S E6S • MT 7075: CTO G1S G2S G3S G4S G8S H1S H2S K9S L1S L2S L7S L8S L9S • MT 7077: CTO • - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 162
USB--Portuguese • MT 1732: CTO • MT 1736: CTO C4G E6G E7G F1G H4G • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO B2G B3G B4G J5G J6G J7G L9G M1G M2G M3G FRU # 54Y9317 54Y9318 54Y9319 54Y9320 CRU 1 1 1 1 156 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 163
MT 1732: CTO • MT 1736: CTO C4G E6G E7G F1G H4G • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO B2G MT 1732: CTO • MT 1736: CTO C4G E6G E7G F1G H4G • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO B2G - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 164
J2G J3G J4G J5G J6G J7G L9G M1G M2G M3G Slim USB--Thailand • MT 1732: CTO • MT 7074: CTO • MT 7075: CTO E7T E8T E9T F1T F2T • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: M1G M2G M3G FRU # 54Y9325 54Y9326 54Y9327 54Y9328 54Y9329 158 ThinkCentre Hardware Maintenance Manual CRU 1 1 1 1 1 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 165
L9G M1G M2G M3G Slim USB--Slovenian • MT 1732: CTO • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO J7G L9G M1G M2G M3G Slim USB--Lithuanian • MT 1732: CTO • MT 7074: CTO • MT 7075: CTO G5G G6G H4G H5G H6G H7G H8G H9G J1G J4G J5G J6G J7G • MT 7077: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 166
• MT 1732: CTO • MT 1736: CTO A5A A6A A8A • MT 7074: CTO E5U • MT 7075: CTO F4A F4H D9A E1A E2A E4A • MT 7077: CTO • MT 7078: CTO • MT 7556 MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO FRU # 41A5289 41A5290 160 ThinkCentre Hardware Maintenance Manual CRU 1 1 1 CRU 1 1 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 167
Full USB--Arabic/French • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full CTO Full USB--Belgium/UK • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 168
MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Danish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 41A5295 1 41A5296 1 41A5297 1 41A5298 1 162 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 169
: CTO Full USB--French • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--French Canadian • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO E5F • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 170
MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Hebrew • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 41A5303 1 41A5304 1 41A5305 1 41A5306 1 164 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 171
7559: CTO Full USB--Iceland • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Italy • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 172
MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Polish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 41A5311 1 41A5312 1 41A5313 1 41A5314 1 166 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 173
: CTO Full USB--Romanian • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Romanian • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 174
CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Swedish/Finnish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 41A5319 1 41A5320 1 41A5321 1 41A5322 1 168 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 175
USB--Thailand • MT 1732: CTO • MT 1736: CTO B5T B6T • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Turkish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 176
: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--Arabic (New) • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 41A5327 1 41A5328 1 41A5329 1 45J4880 1 170 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 177
• MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Full USB--India • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO L6Q Wireless edge KB/MS Wireless edge KB/MS--US English • MT 1732: CTO A1M A2M A6M A7M - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 178
: CTO • MT 7556: CTO • MT 7559: CTO Wireless edge KB/MS--Brazil/Portuguese • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03X8203 1 03X8204 1 03X8205 1 03X8206 1 172 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 179
• MT 7074: CTO B2G D1G D2G D3G D4G D5G D6G D7G D8G • MT 7075: CTO D2G G7G B5G H3G K7G K8G L5G L6G • MT 7077: CTO B1G C2G • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Wireless edge KB/MS--Chinese/US/Taiwanese • MT 1732: CTO • MT 1736: CTO A1B A2B - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 180
: CTO • MT 7559: CTO Wireless edge KB/MS--French Canadian • MT 1732: CTO B3F B4F B5F B6F • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03X8211 1 03X8212 1 03X8214 1 03X8213 1 174 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 181
• MT 7074: CTO B2G D1G D2G D3G D4G D5G D6G D7G D8G • MT 7075: CTO D2G G7G B5G H3G K7G K8G L5G L6G • MT 7077: CTO B1G C2G • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Wireless edge KB/MS--Greek /Greece, Cyprus • MT 1732: CTO A5G A9G • MT 1736: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 182
Wireless edge KB/MS--Japanese • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO B1J B2J B4J • MT 7075: CTO B1J B2J D7J D8J • MT 7077: CTO B1J B2J • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO B1J B2J FRU # CRU 03X8219 1 03X8220 1 03X8221 1 03X8222 1 176 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 183
/MS--LA Spanish • MT 1732: CTO B6S • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Wireless edge KB/MS--Norwegian • MT 1732: CTO A5G A9G • MT 1736: CTO C5G C6G H2G H3G • MT 7074: CTO B2G D1G D2G D3G - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 184
: CTO C5G C6G H2G H3G • MT 7074: CTO B2G D1G D2G D3G D4G D5G D6G D7G D8G • MT 7075: CTO D2G G7G B5G H3G K7G K8G L5G L6G • MT 7077: CTO B1G C2G • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03X8227 1 03X8228 1 03X8229 1 03X8230 1 178 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 185
• MT 7077: CTO B1G C2G • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Wireless edge KB/MS--Thailand • MT 1732: CTO • MT 1736: CTO E5T H7T • MT 7074: CTO B5T B6T B7T B8T • MT 7075: CTO B9T D1T E3T E6T J2T J3T M1T • MT 7077: CTO • MT 7078: CTO • MT 7556 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 186
: CTO C5G C6G H2G H3G • MT 7074: CTO B2G D1G D2G D3G D4G D5G D6G D7G D8G • MT 7075: CTO D2G G7G B5G H3G K7G K8G L5G L6G • MT 7077: CTO B1G C2G • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03X8235 1 03X8236 1 03X8237 1 03X8224 1 180 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 187
CTO Wireless edge KB/MS--India • MT 1732: CTO • MT 1736: CTO D3Q D4Q D5Q D6Q D7Q D8Q D9Q E1Q E2Q E3Q • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO B1Q D6Q D7Q E1Q E2Q E3Q E4Q E5Q • MT 7559: CTO K5Q K6Q K5Q K6Q K7V K8Q K9Q L1Q L2Q L3Q L4Q L5Q L7Q L8Q Mice Lenovo - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 188
: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO System board blower 7012 • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO 182 ThinkCentre Hardware Maintenance Manual FRU # CRU 60Y3241 N 03T9619 N 03T9620 N 03T9621 N - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 189
Power Cords Power Cords Line cord-US, (Thailand) • MT 1732: CTO A4U A4F A4S B1U B1F B1S B3U MT 7559: CTO J8U J8F J8S J9U J9F J9S Line cord-China • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Line cord-Japan • MT 1732: CTO B2J - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 190
• MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Line cord-Korea • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 45J9595 1 41R3176 1 41R3196 1 41R3260 1 184 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 191
Power Cords Line cord-Hong Kong, Singapore, Malaysia, Brunei, UK, Ireland • MT 1732: CTO A5G A9G • MT 1736 1732: CTO A8V • MT 1736: CTO C7V C8V C9V D1V D2V E8V E9V F7V G2V G3V G4V G5V • MT 7074: CTO • MT 7075: CTO K2V K3V K4 • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO B6V B7V B8V B9V - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 192
Power Cords • MT 7559: CTO J1G J2G J3G J4G J5G J6G J7G L9G M1G M2G M3G Line cord-Switzerland • MT 1732: CTO A5G A9G • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G D5G D6G D7G D8G • MT 7075 41R3236 41R3220 CRU 1 1 1 186 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 193
Power Cords Line cord-India • MT 1732: CTO • MT 1736: CTO D3Q D4Q D5Q D6Q D7Q D8Q D9Q E1Q E2Q E3Q • MT 7074: CTO • MT 7075: CTO D1Q • MT 7077: CTO • MT A9A B1A E4A E5A G6A G7A H8A • MT 7074: CTO B2A B5A B6A B7A B8A E7A • MT 7075: CTO B9A D1A D2A D3A J2A J3A K5A K6A M1A • MT 7077: CTO • MT 7078: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 194
Power Cords Line cord-China • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 41R3257 1 41R3249 1 41R3271 1 41R3177 1 188 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 195
Power Cords Line cord- ANZ • MT 1732: CTO A1M A2M A3M A6M A7M • MT 1736: CTO • MT 7074: CTO B2M B3M D9M E1M E2M E3M • MT 7075: CTO B2M B3M MT 7559: CTO Line cord-Korea • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Line cord- - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 196
Power Cords Line cord-Italy • MT 1732: CTO A4S A5G A9G B1S • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G D5G D6G D7G D8G • MT 7075: CTO J5G J6G J7G L9G M1G M2G M3G FRU # 41R3233 41R3213 41R3229 41R3237 CRU 1 1 1 1 190 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 197
Power Cords Line cord-South Africa • MT 1732: CTO A1M A2M A3M A5G A6M A7M A9G • MT 1736: CTO • MT 1736: CTO A5A A6A A7A A8A A9A B1A E4A E5A G6A G7A H8A • MT 7074: CTO B2A B5A B6A B7A B8A E7A • MT 7075: CTO B9A D1A D2A D3A J2A J3A K5A K6A M1A • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 198
MT 7556: CTO • MT 7559: CTO Portuguese/English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Windows 7 Home Basic 32 SP1 FRU # CRU 03T2559 1 03T2847 1 03T2829 1 03T2830 1 192 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 199
Windows 7 Home Basic 32 SP1 Russian • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Serbian-Latin/English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 200
CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO French • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO D5G D6G • MT 7075: CTO G6G J6G J7G • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03T2561 1 03T2562 1 03T2563 1 03T2564 1 194 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 201
Windows 7 Home Premium 32 SP1 German • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO D5G D6G • MT 7075: CTO G6G J6G J7G • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Hebrew • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO D5G D6G • MT 7075 MT 7074: CTO D5G D6G • MT 7075: CTO G6G J6G J7G • MT - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 202
Windows 7 Home Premium 32 SP1 Korean/English C&L • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Polish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO D5G D6G • MT 7075 D5G D6G • MT 7075: CTO G6G J6G J7G • MT 7075: CTO G6G J6G J7G - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 203
Windows 7 Home Premium 32 SP1 Spanish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO D5G D6G • MT 7075: CTO G6G J6G J7G • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO US English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO D5G D6G • MT 7075 7074: CTO D5G D6G • MT 7075: CTO G6G J6G J7G • MT - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 204
• MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Windows 7 Home Premium 32 SP1 Windows 7 Home Premium 64 Recovery CD Windows 7 Home Premium 64 SP1 US English • MT 1732: CTO • MT 1736: CTO D3Q D4Q D5Q D6Q E1Q • MT 7074: CTO E2M E3M • MT 7075: CTO G1U G3U J8M • MT 7077: CTO • MT 7078: CTO • MT - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 205
Windows 7 Home Premium 64 SP1 Italian • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO German • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075 CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 206
CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Portuguese • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03T2606 1 03T2600 1 03T2597 1 03T2601 1 200 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 207
Windows 7 Home Premium 64 SP1 India English • MT 1732: CTO • MT 1736: CTO D3Q D4Q D5Q D6Q E1Q • MT 7074: CTO • MT 7075: CTO • MT 7077 • MT 7559: CTO Greek/English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Hungarian/English - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 208
: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Serbian-Latin/English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO FRU # CRU 03T2840 1 03T2841 1 03T2842 1 03T2843 1 202 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 209
Windows 7 Home Premium 64 SP1 C&L Croatian (EN/SL/CR) • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Arabic/English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075 : CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 210
Windows 7 Professional 32 Recovery CD Windows 7 Professional 32 SP1 US English • MT 1732: CTO • MT 1736: CTO A6A A7A B3T B4T B5T B6T D7Q D8Q D9Q E2Q E3Q E4A E5A E5T G6A G7A G8T G8A H7T H8A • MT 7074: CTO B5A B6A B7A B8A E7A • MT 7075 MT 7074: CTO • MT 7075: CTO • MT 7077: : CTO • MT 7075: CTO B6J B7J - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 211
Windows 7 Professional 32 SP1 Spanish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO D3G • MT 7559: CTO French • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075 1736: CTO • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 212
Windows 7 Professional 32 SP1 C&L EMEA (EN FR GR IT NL) • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075 : CTO • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077: 1736: CTO • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077: CTO : CTO • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 213
Windows 7 Professional 32 SP1 Polish • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO D3G • MT 7559: CTO Korean/English C&L • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075 • MT 7074: CTO • MT 7075: CTO G5G H7G H9G • MT 7077 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 214
K6Q K8Q K9Q L1Q L8Q FRU # Windows 7 Professional 64 Recovery CD Windows 7 Professional 64 SP1 US English E1M E5U E6U • MT 7075: CTO B2M B3M B5M F3B F5B F6B G1B • MT 7074: CTO • MT 7075: CTO K3V • MT 7077: CTO • MT 7078: B9J C1J • MT 7074: CTO B1J B2J • MT 7075: CTO D2J D3J • MT 7077: CTO • MT 7078: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 215
Windows 7 Professional 64 SP1 Spanish • MT 1732: CTO A5G A9G • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075: CTO E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075: CTO D2G D3G G7G B5G H3G H4G H5G H5M H6G J1G K7G K8G L5G • MT 7077: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 216
Windows 7 Professional 64 SP1 C&L EMEA (EN FR GR IT NL) • MT 1732: CTO A5G A9G • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075: CTO D2G J5G J7G L9G M1G M3G FRU # 03T2628 03T2627 03T2629 03T2630 CRU 1 1 1 1 210 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 217
Windows 7 Professional 64 SP1 Arabic • MT 1732: CTO A5G A9G • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075 M3G Korean/English C&L • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 218
Windows 7 Professional 64 SP1 Greek • MT 1732: CTO A5G A9G • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075: CTO D2G D3G G7G B5G H3G H4G J5G J7G L9G M1G M3G FRU # 03T2612 03T2625 03T2621 03T2615 CRU 1 1 1 1 212 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 219
Windows 7 Professional 64 SP1 Czech • MT 1732: CTO A5G A9G • MT 1736: CTO C4G C5G C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075: CTO C6G E6G E7G F1G H2G H3G H4G • MT 7074: CTO B2G D1G D2G D3G D4G • MT 7075: CTO D2G D3G G7G B5G H3G H4G H5G H5M H6G J1G K7G K8G L5G • MT 7077: - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 220
: CTO • MT 7556: CTO • MT 7559: CTO India English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Windows 7 starter 32 SP1 214 ThinkCentre Hardware Maintenance Manual FRU # CRU 03T2610 1 03T2846 1 FRU # CRU 03T2823 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 221
MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO US/English • MT 1732: CTO • MT 1736: CTO • MT 7074: CTO • MT 7075: CTO • MT 7077: CTO • MT 7078: CTO • MT 7556: CTO • MT 7559: CTO Windows 7 starter 32 SP1 FRU # CRU 03T2825 1 03T2826 1 03T2827 1 03T2828 1 Chapter 9. FRU lists 215 - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 222
216 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 223
.com/support/ 2. Lenovo Customer Support Center 3. Levels 1 and 2 Support To update (flash) the BIOS, see "Flash update procedures" on page 217. Flash update procedures This section details how to flash (update) the BIOS. Updating (flashing) the BIOS from a disc This section provides instructions - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 224
BIOS from your operating system, do the following: 1. Go to http://www.lenovo.com/support. 2. Do the following to locate the downloadable files for your machine type: a. In the Enter a product number field, type your machine type and click Go. b. Click Downloads and drivers. c. Select BIOS from the - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 225
disc from the optical drive before the system completely turns off. 9. Repeat steps 1 through 3. 10. Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2). 11. Install the computer cover and reconnect all cables and power cords that were disconnected. See "Completing - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 226
220 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 227
you any license to these patents. You can send license inquiries, in writing, to: Lenovo (United States), Inc. 1009 Think Place - Building One Morrisville, NC 27560 U.S.A. Attention: Lenovo Director of Licensing LENOVO PROVIDES THIS PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 228
Corporation. Reverse engineering or disassembly is prohibited. European conformance CE mark Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo Rescue and Recovery ThinkVantage Microsoft and Windows are trademarks of the - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 229
, using 57 physical specifications 31 power supply, replacing 104 Power-On, Password 58 R rear connectors 85 rear I/O assembly, replacing 100 recovering a POST/BIOS update failure 218 recovery boot-block 218 removing system board shield 102 system fan 103 VESA mount bracket 99 removing computer - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 230
88 removing 88 system stand, reinstalling 90 T television output notice 222 temporary startup device 59 the BIOS, updating (flashing) 217-218 trademarks 222 troubleshooting, basic 35 troubleshooting, diagnostics 35 U updating 224 ThinkCentre Hardware Maintenance Manual (flashing) the BIOS - Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 231
- Lenovo ThinkCentre Edge 91z | Hardware Maintenance Manual (HMM) for ThinkCentre - Page 232
Part Number: 0A96894 Printed in USA (1P) P/N: 0A96894 *0A96894*
ThinkCentre
Hardware Maintenance Manual
Machine Types: 1732, 1734, 1736, 7074, 7075, 7077, 7078, 7556,
and 7559