Lenovo ThinkCentre Edge 72z Hardware Maintenance Manual (HMM) (May 2012) - Thi
Lenovo ThinkCentre Edge 72z Manual
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- Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 1
ThinkCentre Edge Hardware Maintenance Manual Machine Types: 3569, 3571, and 3574 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 2
- Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 3
ThinkCentre Edge Hardware Maintenance Manual Machine Types: 3569, 3571, and 3574 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 4
product it supports, be sure to read and understand the Safety, Warranty, and Setup Guide and Appendix A "Notices" on page 131. First Edition (May 2012) © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration "GSA - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 5
Specifications 29 Lenovo ThinkVantage Tools 29 Lenovo Solution Center 30 Lenovo Welcome 30 SimpleTap 30 Additional information resources 31 Chapter 4. General Checkout . . . . . 33 Problem determination tips 33 Chapter 5. Troubleshooting 101 Replacing the power supply 102 Replacing the - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 6
a POST/BIOS update failure . . 128 Power management 129 Automatic configuration and power interface (ACPI) BIOS 129 Automatic Power-On features 129 Appendix A. Notices 131 Television output notice 132 European conformance CE mark 132 Trademarks 132 Index 133 iv ThinkCentre Edge Hardware - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 7
Chapter 10 "Additional Service Information" on page 127 are not specific to any machine type and are applicable to all ThinkCentre Edge computers. For major FRU locations and Customer Replaceable Unit (CRU) identification, see Chapter 8 "Locations" on page 79. For FRU replacement instructions, see - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 8
2 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 9
before servicing a ensure that other service representatives and the customer from all personnel, while you are servicing the machine. • Keep your tool . • After service, reinstall all power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 10
supply units - Pumps - Blowers and fans - Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: - Use caution; do not become a victim yourself. - Switch off power. - Send another person to get medical aid. 4 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 -specific - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 12
as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system is power cords to a properly wired and grounded electrical outlet. • Connect to properly wired outlets any equipment that will be attached to this product. 6 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 15
Chapter 2. Safety information 9 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 16
≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) 2 1 PERIGO 10 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 19
Chapter 2. Safety information 13 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 20
2 1 14 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 21
Chapter 2. Safety information 15 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 22
réseaux, aux systèmes de télécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d'installation et de configuration). reportez-vous aux instructions ci-dessous pour connecter et déconnecter les différents cordons. 16 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 24
ühren von Oberflächen mit unterschiedlichem elektrischem Potenzial zu vermeiden. • Geräte niemals einschalten, wenn Hinweise auf Feuer, Wasser oder Gebäudeschäden vorliegen. 18 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 25
• Die Verbindung zu den angeschlossenen Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem Öffnen des Gehäuses zu unterbrechen, sofern in den Installations- und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind. • Zum Installieren, Transportieren und Ö - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 27
Chapter 2. Safety information 21 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 31
Chapter 2. Safety information 25 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 35
15.2 to 10 668 m) Electrical input • Input voltage: - Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency range: 50 to 60 Hz - High range: Minimum: 200 V ac Maximum: 240 V ac Input frequency range: 50 to 60 Hz Lenovo ThinkVantage Tools The Lenovo ThinkVantage® Tools program guides you to - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 36
has one. Note: The SimpleTap program is only available on certain models preinstalled with the Windows 7 operating system. If your Windows 7 model is not preinstalled with the SimpleTap program, you can download it from http://www.lenovo.com/support. 30 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 37
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 Chapter 3. General information 31 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 38
32 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 39
following information to assist you in problem determination. If possible, have this information available when 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 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 40
identical only if they: 1. Are the exact machine type and models 2. Have the same BIOS level 3. Have the same adapters/attachments in the same locations 4. Have the same address "working and non-working" systems will often lead to problem resolution. 34 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 41
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 Safety, Warranty, and Setup Guide that comes with your computer or go to the Lenovo Support The monitor power cord is correctly - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 42
to see if your computer has been infected by a virus. If the program detects a virus, remove the virus. 8. If none of these actions solve the problem, seek technical assistance. See "Additional information resources" on page 31 for more information. 36 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 44
for instructions). If you need technical assistance, see "Additional information resources" on page 31. CD problems Select your symptom from the following list: • "An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a CD drive" on page 39 38 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 45
one of the drives is connected to the audio subsystem. • If you are using the Windows problem with your CD or DVD drive or the cabling to your CD or DVD drive. Make sure that the power problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions Troubleshooting and diagnostics 39 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 46
the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional information resources" on page 31. Invalid disc or no disc found message Symptom: Invalid disc or no disc found message Actions: 40 ThinkCentre Edge Hardware - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 47
each SCSI chain is terminated correctly. (See your SCSI documentation.) 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 information resources" on page 31. Keyboard, mouse, or - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 48
problem, have the computer and keyboard serviced device drivers for the BIOS settings. See "Enabling or disabling a device" on page 54. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 49
. Action: Have the computer serviced. For details, see "Additional drivers are required. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions noninterlaced refresh rate supported by your monitor Troubleshooting and diagnostics 43 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 50
. Instead, it connects at 100 Mbps" on page 46 Your computer cannot connect to the network Symptom: Your computer cannot connect to the network. 44 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 51
the problem persists, try a different cable. • The cable is installed properly. • You are using the correct device driver. On the Windows 7 • Make sure that WOL is enabled in the BIOS Setup Utility program. • If it is, check with your LAN administrator for the necessary settings. If your computer - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 52
using Headset profile or AV profile. Action: Do the following: 1. Exit the application that uses the sound device (for example, Windows Media Player). 2. Open the Control Panel by clicking Start ➙ Control Panel. 3. Click Hardware and Sound ➙ Sound . 46 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 to free up disk space: • On the Windows 7 operating system, do one or all of the following: - 1. Click ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 55
comes with your printer. If you cannot correct the problem, have the computer serviced. See "Additional information resources" on page 31. 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 57
If the USB device has its own power cord, make sure it is attached Make sure any device drivers or other software supplied with the USB device Lenovo technical support representative. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 58
help system. Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files created by the program. You will need the log files when you speak to a Lenovo technical support representative. 52 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 59
a Power-On instructions on the screen. You can use the keyboard to navigate through BIOS 64 alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised. To set a strong password, use the following guidelines: © Copyright Lenovo - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 60
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 to enable or disable, do one of the following: • Select USB Setup to enable or disable a USB device. 54 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 61
Utility program main menu. You might have to press Esc several times. Do one of the following: • If you want to save the new settings, ➙ 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. - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 62
56 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 63
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. • Power cord • On/Off switch connector • On/Off switch power supply connector • System board power supply connectors • Microprocessor - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 64
. 2. Flash the system. See "Flash update procedures" on page 127. 3. Run memory test 4. System board 1. Flash the system. See "Flash update procedures" on page if necessary 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 58 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 65
BIOS test warning 000-198-XXX BIOS test aborted 000-199-XXX BIOS test failed, cause unknown 000-250-XXX BIOS APM failure 000-270-XXX BIOS 127. 3. Go to "Undetermined problems" on page 78. 1. Go to "Undetermined problems" on page 78. 2. Flash Run memory test. 4. System board System board System board Chapter - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 66
Power-off/on system and re-test. 2. System board 1. Power-off/on system and re-test. 2. System board Information only Restart the test, if necessary 1. Press F3 to review Go to "Undetermined problems" on page 78. 1. Go to "Undetermined problems" on page 78. ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 67
drive) failure 001-282-XXX System IRQ15 failure 001-286-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 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 68
BIOS Video Ram 2. Video drivers update Press F3 to review the log problems" on page 78. 1. Go to "Undetermined problems" on page 78. 2. Flash the system and re-test. See "Flash update procedures" on page 127. 3. Replace component under function test. 62 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 69
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. . 3. Go to "Undetermined problems" on page 78. 006-199-XXX Diskette interface test failed, cause unknown 1. Go to "Undetermined problems" on page 78. 2. - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 70
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. 64 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 71
update procedures" on page 127. 3. Go to "Undetermined problems" on page 78. 1. Go to "Undetermined problems" on page 78. 2. Flash the system and re- system and re-test. See "Flash update procedures" on page 127. 3. Run memory test. 4. System board 1. Remove USB device(s) and re-test. 2. System board - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 72
FRU/Action 1. Press F3 to review the log file. 2. Restart the problems" on page 78. 1. Go to "Undetermined problems" on page 78. 2. Flash the system and re-test. See "Flash update procedures" on page 127. 3. Replace component under function test. 66 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 73
necessary 1. Press F3 to review the log file. 2. problems" on page 78. 2. Flash the system and re-test. See "Flash update procedures" on page 127. 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 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 74
Check power supply. 3. Reseat IDE signal cable. 4. IDE device 5. System board Information only Restart the test, if necessary. 1. Press F3 to review power supply 3. SCSI device 4. SCSI adapter card, if installed. 5. System board Information only Restart the test, if necessary. 68 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 75
071-000-XXX Audio port Interface Test Passed FRU/Action 1. Press F3 to review the log file. 2. Restart the test to reset the log file. 1. Flash update procedures" on page 127. 3. Go to "Undetermined problems" on page 78. 1. Go to "Undetermined problems" on page 78. 2. Flash the system and re-test. - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 76
on page 127. 3. Go to "Undetermined problems" on page 78. 071-199-XXX Audio port test failed, cause unknown 1. See "Undetermined problems" on page 78. 2. Flash the system Press F3 to review the log file. 2. Restart the test to reset the log file. 70 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 77
. 3. Go to "Undetermined problems" on page 78. 080-199-XXX Game Port interface test failed, cause unknown 1. See "Undetermined problems" on page 78. 2. Flash 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. - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 78
Microprocessor(s) 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. 1. Make sure the procedures" on page 127. 3. Go to "Undetermined problems" on page 78. 72 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 79
problems" on page 78. 2. Flash the system and re-test. See "Flash update procedures" on page 127. 3. Replace component under function test. 170-250-XXX 170-251-XXX Voltage Sensor(s) Voltage limit error 1. Power supply F3 to review the log file Memory Test Passed No action Chapter 7. Symptom-to-FRU - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 80
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 No action Remove the Joystick and re-test the system. 74 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 81
on page 75. Perform the following actions in order. 1. Make sure the memory module(s) are properly seated in the connector(s). 2. Replace the memory module(s). 3. Replace the system board. POST error codes Each time you power-on the system, it performs a series of tests that check the operation of - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 82
1. Power Switch 2. System Board 3. Riser card, if installed. 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) 76 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 83
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 Drive Cable Incorrect memory size during POST 1. Run the Memory tests. 2. Memory Module 3. System Board - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 84
Cache RAM g. Hard disk drive h. Diskette drive 3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues, replace the system board. 78 ThinkCentre Edge Hardware - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 85
1 "Front connector, control, and indicator locations" on page 80 shows the locations of the connectors, controls, and indicators on the front of your computer. © Copyright Lenovo 2012 79 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 86
in some models) 9 USB connector 4 Power switch 5 Brightness +/ auto adjusting controls 1 6 Brightness - 10 Headphone connector 11 Microphone connector 12 USB connector 1 Auto-adjusting control is enabled only while the computer is used in monitor mode. 80 ThinkCentre Edge Hardware Maintenance - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 87
to help you determine where to connect the cables on your computer. Figure 2. Rear connector locations 1 Optical drive 2 Integrated cable lock slot 3 USB connectors (4) 4 Power cord connector 5 Ethernet connector 6 Serial port 7 DisplayPort out connector 8 System stand Chapter 8. Locations 81 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 88
Locating major FRUs and CRUs Figure 3 "Locating major FRUs and CRUs" on page 83 shows the locations of the major FRUs and CRUs in the computer. To remove the computer cover, see "Removing the computer cover" on page 94. 82 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 89
Figure 3. Locating major FRUs and CRUs Chapter 8. Locations 83 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 90
System stand Computer cover System board shield window System board shield Handle bar Heat sink assembly Microprocessor Memory module Battery Microprocessor fan System board Card reader Foot stand Internal speaker WI-FI connector Power supply Rear I/O connector Internal speaker Control button board - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 91
Looking up FRU information For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup Chapter 8. Locations 85 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 92
system board 1 Integrated camera cable connector 2 Memory slots (2) 3 Battery 4 Card reader 10 Microprocessor fan connector 11 SATA connector 12 Optical drive power connector/Hard disk drive power connector 13 Inverter connector 14 Power supply connector 15 Microprocessor 86 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 93
copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the devices and the computer. 2. Disconnect all power cords from electrical outlets. 3. Disconnect the power cords, Input/Output cables, and any - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 94
holes in the computer. Figure 6. Reinstalling the system stand hinge cover 7. Reinstall the screw to secure the system stand hinge cover to the computer. 88 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 95
Setup Guide, go to: http://www.lenovo.com/support This section 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 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 96
computer. Figure 9. Reinstalling the system stand 5. Reinstall the system stand hinge cover. See "Removing and reinstalling the system stand hinge cover" on page 87. 90 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 97
Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to 2. Disconnect all power cords from electrical outlets. 3. Disconnect the power cords, Input/ 5. Remove the rubber on the foot stand. Figure 10. Removing the rubber on the foot stand 6. Loosen - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 98
stand to the computer. Figure 12. Tightening the screw to secure the foot stand to the computer 8. Reinstall the rubber on the foot stand. 92 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 99
Figure 13. Reinstall the rubber on the foot stand. Chapter 9. Replacing FRUs 93 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 100
computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove the computer cover. CAUTION: Turn off the the computer. Figure 14. Removing the computer cover 94 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 101
that came with your computer. To obtain a copy of the Safety, Warranty, and Setup 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 102
secure the hard disk drive to the hard disk drive bracket. 9. Connect the hard disk drive cable. 10. Slide the new hard disk drive with the bracket into the hard disk drive bay. Align the screw 12. Go to "Completing the parts replacement" on page 124. 96 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 103
came with your computer. To obtain a copy of the Safety, Warranty, and Setup 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 - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 104
" in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove the VESA mount bracket. 98 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 105
all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are Guide that came with your computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 106
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. Place the two screws that secure the rear I/O assembly 100 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 107
the power cord connector to the power cord connector bracket. Remove the rear I/O assembly from the computer. Figure 23. Removing the power cord copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 108
came with your computer. To obtain a copy of the Safety, Warranty, and Setup 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: 1. Remove all media from the drives and turn off all attached - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 109
the "Important safety information" in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the microprocessor fan. To replace the - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 110
to the system board. See "Locating parts on the system board" on page 86. 10. Reinstall the system board shield. See "Removing and reinstalling the system board shield" on Warranty, and Setup Guide that came with your computer. To obtain a copy of the 104 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 111
Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace 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. - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 112
heat sink assembly to the system board" on page 105. 10. Reinstall the system board shield. See "Removing and reinstalling the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 113
socket. Notes: a. Your microprocessor and socket might look different from the one illustrated. b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle 1 on one corner of the microprocessor or note the orientation of the notches 2 on - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 114
is fully open. 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 corner of the new 101. 15. Go to "Completing the parts replacement" on page 124. 108 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 115
that came with your computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the card reader. Note: The card reader is available only in some models. To replace the card reader, do the following - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 116
. To obtain a copy of the Safety, Warranty, and Setup 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 from the drives and - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 117
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 " in the ThinkCentre Edge Safety and Warranty Guide for information about the system board shield window to get access to the battery. See - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 118
shield window" on page 110. 9. Reinstall the computer cover. See "Completing the parts replacement" on page 124. 10. Turn the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 119
the two screw holes in the new inverter with those in the computer. 10. Install the two screws to secure the new inverter to the main bracket. Guide, go to: http://www.lenovo.com/support This section provides instructions on how to install or replace a memory module. Your computer has two memory - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 120
a memory module 9. Reinstall the system board shield or close the system board shield window. See "Removing and reinstalling the system board shield" on page 101 or "Opening the system board shield window" on page 110. 10. Go to "Completing the parts replacement" on page 124. 114 ThinkCentre Edge - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 121
of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the internal speakers two screws to secure each of the internal speakers to the front bezel. 10. Connect the internal speaker cables to the system board. See "Locating - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 122
To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the integrated camera. Note: The integrated camera the new integrated camera to the front bezel. 116 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 123
copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the system board. To memory modules. See "Installing or replacing a memory module" on page 113. 9. Remove the battery. See "Replacing the battery" on page 111. 10. - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 124
Replacing the battery" on page 111. 17. Reinstall the memory modules. See "Installing or replacing a memory module" on page 113. 18. Reinstall the microprocessor. socket. Install one side of the socket cover into the microprocessor socket. 118 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 125
that came with your computer. To obtain a copy of the Safety, Warranty, and Setup 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: 1. Remove all media from the drives and turn off all - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 126
shield. See "Removing and reinstalling the system board shield" on page 101. 10. Disconnect the LCD panel cable from the system board. See "Locating parts on the system board" on page 86. Figure 43. Disconnect the LCD panel cable from the system board 120 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 127
11. Remove all the 15 screws that secure the computer main bracket to the front bezel. Figure 44. Removing all the 15 screws that secure the computer main bracket to the front bezel 12. Note the locations of all cable connections that prevent you from lifting the computer main bracket, and - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 128
cables that were disconnected. See "Locating parts on the system board" on page 86. 25. Go to "Completing the parts replacement" on page 124. 122 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 129
understanding the "Important safety information" in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the WI-FI card. Note: The WI-FI - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 130
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 computer chassis to avoid interference with reinstalling the computer cover. 124 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 131
you have an integrated cable lock. 6. Reconnect the external cables and power cord to the computer. 7. Depending on the parts you installed or program" on page 53. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Unit (CRU). Information about - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 132
126 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 133
.com/support/ 2. Lenovo Customer Support Center 3. Levels 1 and 2 Support To update (flash) the BIOS, see "Flash update procedures" on page 127. 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 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 134
the instructions on the screen to 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 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 135
on LAN-enabled and there is remote network management software, you can use the Wake on LAN feature. When you set Wake on LAN to Enabled, the computer will turn on when it receives a specific signal from another computer on the local area network (LAN). Chapter 10. Additional Service Information - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 136
130 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 137
the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 138
the United States, other countries, or both. Linux is a trademark of Linus Torvalds in the United States, other countries, or both. Other company, product, or service names may be trademarks or service marks of others. 132 ThinkCentre Edge Hardware Maintenance Manual - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 139
window 110 optical drive, replacing 97 Optional-service CRUs 82 P part numbers 1, 79, 85 parts replacement, completing 124 password Administrator 54 considerations 53 Power-On Password 54 setting, changing, deleting 54 passwords, using 53 physical specifications 29 power supply, replacing 102 Power - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 140
103 power supply 102 ThinkCentre Edge Hardware Maintenance Manual T television output notice 132 temporary startup device 55 the BIOS, updating (flashing) 127-128 trademarks 132 troubleshooting, basic 35 troubleshooting, diagnostics 35 U updating (flashing) the BIOS 127 updating (flashing) the BIOS - Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 141
- Lenovo ThinkCentre Edge 72z | Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 142
Part Number: Printed in USA (1P) P/N: **
ThinkCentre Edge
Hardware Maintenance Manual
Machine Types: 3569, 3571, and 3574