Lenovo ThinkCentre M72z Hardware Maintenance Manual (HMM) for ThinkCentre M72z
Lenovo ThinkCentre M72z Manual
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- Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 1
ThinkCentre Hardware Maintenance Manual Machine Types: 3512, 3528, 3533, 3535, 3536, 3537, 3538, 3539, 3543, 3548, 3549, 3553, 3554, 3556, 3558, and 3559. - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 2
- Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 3
ThinkCentre Hardware Maintenance Manual Machine Types: 3512, 3528, 3533, 3535, 3536, 3537, 3538, 3539, 3543, 3548, 3549, 3553, 3554, 3556, 3558, and 3559. - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 4
product it supports, be sure to read and understand Chapter 2 "Safety information" on page 3 and Appendix A "Notices" on page 115. 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 5
Setup Utility program 56 Chapter 7. Symptom-to-FRU Index . . 57 Hard disk drive boot error 57 Power Supply Problems 57 Beep symptoms 57 POST error codes 58 Miscellaneous error conditions 59 Undetermined problems 60 Chapter 8. Locations 63 Locating connectors, controls, and indicators on the - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 6
97 Installing or replacing a memory module . . . . 98 Replacing the internal speakers 100 Replacing the integrated camera 101 Replacing the system board 102 Replacing the LCD panel 104 Replacing the WI-FI card 108 Completing the parts replacement 109 Chapter 10. Additional Service Information - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 7
ThinkCentre® computers listed on the cover. This manual is intended only for trained service personnel who are familiar with Lenovo® computer products. Chapter 7 "Symptom-to-FRU Index" on page 57 and Chapter 10 "Additional Service Information" on page 111 are not specific les instructions. Lesen - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 8
2 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 eyes. • After service, reinstall all networks, and modems before you open the computer covers, unless instructed otherwise in the installation - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 10
near power supplies - Removing or installing Field Replaceable Units (FRUs) power, if necessary. - Use only one hand when working with powered-on electrical ; these instructions are in touching can cause personal injury and machine damage. • Do not service ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 11
installed to protect users and service personnel from injury. This guide addresses such as loose or missing hardware The guide consists of a series of steps presented in a checklist. all at the same charge. Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted here. - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 12
installation, maintenance, or reconfiguration of this product during an electrical storm. • Connect all 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 Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 13
networks, and modems before you open the device covers, unless instructed otherwise in the installation Heat to more than 100°C (212°F) • Repair or disassemble Dispose of the battery as required by local ordinances or hazardous laser radiation. There are no serviceable parts inside the device. • - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 14
the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 15
Chapter 2. Safety information 9 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 19
Chapter 2. Safety information 13 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 20
2 1 14 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 21
Chapter 2. Safety information 15 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 22
procédures d'installation et de configuration). • Lorsque vous installez, que vous déplacez, ou que vous manipulez le présent produit ou des périphériques qui lui sont raccordés, reportez-vous aux instructions ci-dessous pour connecter et déconnecter les différents cordons. 16 ThinkCentre Hardware - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 23
de référence identique exclusivement, (référence 45C1566), ou suivre les instructions du fabricant qui en définit les équivalences. Si votre de DVD-ROM, des unités à fibres optiques, ou des émetteurs) sont installés, prenez connaissance des informations suivantes : • Ne retirez pas le carter. En - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 24
Bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen. Ferner keine Installations-, Wartungs- oder Rekonfigurationsarbeiten durchführen. • Gerät nur an eine Schutzkontaktsteckdose mit , wenn Hinweise auf Feuer, Wasser oder Gebäudeschäden vorliegen. 18 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 25
• über 100 C erhitzen. • reparieren oder zerlegen. Die örtlichen Bestimmungen für die Entsorgung von Sondermüll beachten. ACHTUNG: Bei der Installation von Lasergeräten (wie CD-ROM-Laufwerken, DVD- aufwerken, Einheiten mit Lichtwellenleitertechnik oder Sendern) Folgendes beachten: • Die Abdeckungen - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 26
auch mit mehreren Netzkabeln ausgestattet sein. Um die Stromversorgung für die Einheit vollständig zu unterbrechen, müssen alle zum Gerät führenden Netzkabel vom Netz getrennt werden. 2 1 20 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 27
Chapter 2. Safety information 21 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 31
Chapter 2. Safety information 25 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 33
lo contrario en los procedimientos de instalación y configuración. • Conecte y desconecte los cables, como se describe en la tabla siguiente, cuando instale, mueva o abra las cubiertas de este producto o de los dispositivos conectados. Para conectar 1. APÁGUELO todo. 2. En primer lugar, conecte - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 35
chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. Dimensions and weight Height Width Depth Weight (maximum) Multi-touch with frame stand 411.00 mm (16.18 inches - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 36
guides you through a few important setup tasks to help you make the most of your computer. 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 38
32 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 40
- Type and version level • Hardware configuration - Print (print screen) configuration currently in use - BIOS level • Operating system software - Type and version level Notes: To working and non-working" systems will often lead to problem resolution. 34 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 Safety , Warranty, and Setup Guide that comes with your computer or go to the Lenovo Support Web site at - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 42
to refer to the documentation 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 43
after a new hardware option or new software installed, do the following before referring to the troubleshooting information: 1. Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, have the computer serviced. For your safety, do not operate - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 45
, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional information resources" on page 31. DVD problems Select your symptom from the following list: • "Black screen instead of DVD video" on page 40 • "DVD movie will not play - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 46
off the computer, and then restart the computer. • Try a lower screen resolution or color depth. 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 47
• If SCSI devices are installed, verify that the last external device in 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 48
still retain their current. • The wireless keyboard is located less than ten meters away from the transceiver. • The transceiver is fully installed. Action: If the transceiver communications LED is not on, reconnect the transceiver and the keyboard. 42 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 49
the application programs are installed. Refer to the documentation for the affected application program to see if device drivers are required. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 50
service. See "Additional information resources" on page 31 for details. Networking problems The following are the most common networking problems. Select your networking problem from the following list: • "Ethernet problems" on page 44 • "A wireless LAN problem" on page 46 • "A wireless WAN problem - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 51
mark is displayed next to an adapter name under Network adapters, you might not use the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter. 5. Click Update Driver Software, and then follow the instructions on the screen. • The switch port and the - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 52
802.3ab-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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 53
saved as a file with the extension contact. Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information. Select your symptom from the following list: • "An option that was just installed does not work" on page 47 • "An - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - 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 . The amount of free disk space is displayed. Actions to free up disk space: • On the Windows 7 operating system, do one or all of the following - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 55
close any open windows. 2. Click Start ➙ Computer. 3. Right-click your C drive entry and then click Properties. 4. Click the Tools tab. 5. Click Defragment Now, then click Continue. 6. Click Defragment Now again to start a disk-defragmentation process. Printer problems Printer is supported by some - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 56
-device option. • Make sure that the serial-port adapter, if you added one, is properly installed and firmly seated. 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 57
program. You will need the log files when you speak to a Lenovo technical support representative. 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 58
Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ System Health and Diagnostics. Follow the instructions on the screen. For additional information, refer to the Lenovo Solution Center help system. Note: If you are unable to isolate and repair the problem yourself - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 59
on the computer. When you hear multiple beeps or see a logo screen, release the F1 key. Note: If that the hard disk drive has been removed from your computer or the memory module size has decreased, follow the instructions on the screen. You can use the keyboard to navigate through BIOS menu choices. - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 60
try to access the hard disk drive. Notes: • After you set a Hard Disk Password, your data on the hard disk drive is protected even if the hard disk drive is removed from one computer and installed in another. • If the Hard Disk Password is forgotten, there is no way to reset the password or recover - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 61
Password, or Hard Disk Password. 4. Follow the instructions on the right side of the screen to set, change Depending on the device you want to enable or disable, do one of the following: • Select USB Setup to enable or disable device from the Startup Device Menu window does not permanently change the - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 62
information displayed on the right side of the screen. 4. Press F10 to save and exit the You might have to press Esc several times. Do one of the following: • If you want to save Changes and Exit, and then press Enter. When the Reset Without Saving window shows, select Yes, and then press Enter to - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 63
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 connectors Power cord Power-on switch Beep symptoms Beep symptoms are tones or a series of tones separated by pauses - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 64
error message, the other error messages probably will not appear on the screen the next time you turn on the system. Error code 0135 0211 0164 1762 1962 POST Error Message Fan failure Keyboard not found Memory size decreased Configuration change has occurred No operating system found. Press any - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 65
3. Hard Disk Drive Cable Incorrect memory size during POST 1. Run the Memory tests. 2. Memory Module 3. System Board "Insert a Diskette" icon appears with a known-good diagnostics diskette in the first 3.5-inch diskette drive. 1. System Board 2. Diskette Drive Cable 3. Network Adapter Intensity - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 66
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, printer, or mouse) b. Any adapters c. Memory modules 60 ThinkCentre - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 67
d. Extended video memory e. External Cache f. External 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, - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 68
62 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 69
page 63 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 1. Front connector, control, and indicator locations © Copyright Lenovo 2012 63 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 70
Hard disk drive of your computer are color-coded to help you determine Ethernet connector 5 PS/2 keyboard connector (optional) 8 DisplayPort connector (optional) 9 Card reader 10 USB connector (USB port 2) 11 Headphone connector 12 Microphone connector 64 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 71
6 PS/2 mouse connector (optional) 7 Serial port 13 USB connector (USB port 1) Chapter 8. Locations 65 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 72
Locating major FRUs and CRUs Figure 3 "Locating major FRUs and CRUs" on page 67 shows the locations of the major FRUs and CRUs in the computer. To remove the computer cover, see "Removing the computer cover" on page 79. 66 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 73
Figure 3. Locating major FRUs and CRUs Chapter 8. Locations 67 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 74
might include memory modules, adapter cards, hard disk drives, and optical drives. • Optional-service CRUs: These CRUs are isolated parts within the computer and are concealed by an access panel that is typically secured by more than two screws. Once the access panel is removed, the specific CRU is - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 75
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 69 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 76
button connector 7 LCD panel connector 8 WI-FI connector 9 SATA connector 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 70 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 77
are to be done by trained service technicians only. Removing and reinstalling Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove your computer and gently lay it down so that the screen is against the surface and the cover is facing up - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 78
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. 72 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 79
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 and reinstall the system stand. To remove and reinstall the system stand, do the following: 1. Turn off the computer - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 80
8. Removing the system stand 4. To reinstall the system stand, align the two screw holes with the corresponding holes in the chassis, and then install the two screws to secure the system stand to the computer. Figure 9. Reinstalling the system stand 5. Reinstall the system stand hinge cover. See - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 81
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 monitor 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. 5. Remove the - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 82
holes in the chassis, and then install the four screws to secure the , Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and your computer and gently lay it down so that the screen is against the surface and the cover is facing up - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 83
Figure 12. Removing the frame stand Chapter 9. Replacing FRUs 77 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 84
in the computer. Figure 13. Reinstalling the frame stand to the computer 7. Reinstall the four screws to secure the frame stand to the computer. 78 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 85
Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to computer and gently lay it down so that the screen is against the surface and the cover is . Removing the computer cover Replacing the hard disk drive Attention Do not open your computer or - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 86
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 off all attached devices and the computer. Then, - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 87
the four screw holes align with those in the bracket. 8. Install the four screws that 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 hole in the hard - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 88
Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to computer and gently lay it down so that the screen is against the surface and the cover is facing up Removing the optical drive 6. To install a new optical drive, slide the new optical drive - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 89
the screw to secure the optical drive. Figure 20. Installing the screw to secure the optical drive 8. Go to , 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 90
and gently lay it down so that the screen is against the surface and the cover is Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the rear I/O assembly. To replace the rear I/O assembly, do the following: 84 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 91
, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See "Removing the computer cover" on page 79. 4. Locate the rear - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 92
corresponding holes in the computer main bracket. Install the two screws to secure the rear Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to computer and gently lay it down so that the screen is against the surface and the cover is facing - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 93
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 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 94
with those in the computer main bracket. Install the three screws to secure the new Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the microprocessor fan. To replace the microprocessor fan, do the following: 88 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 95
of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. . See "System board parts and connectors" on page 70. 10. Reinstall the system board shield. See "Removing and reinstalling the Setup Guide that came with your computer. To obtain a - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 96
Guide, go to: http://www.lenovo.com/support This section provides instructions of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. to free it from the microprocessor. b. Do not touch the thermal grease while handling the heat sink assembly. - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 97
of the Safety , Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the microprocessor. CAUTION: 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 98
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 not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. 92 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 99
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 microprocessor with the corresponding beveled corner of the microprocessor socket. Figure 31. Installing the microprocessor - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 100
Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on lay it down so that the screen is against the surface and the install the two screws to secure the card reader. 9. Connect the card reader cable to the new card reader. 94 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 101
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 of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 102
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 battery. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 103
Installing a new battery 8. Reinstall the system board shield or close the system board shield window. See "Removing and reinstalling the system board shield" on page 86 or "Opening the system board shield window Guide, go to: http://www.lenovo.com/support This section provides instructions screen - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 104
computer. 10. Install the Installing or replacing a memory 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 slots for installing memory. To install or replace a memory module screen is against the surface - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 105
not move easily. Figure 37. Installing 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 86 or "Opening the system board shield window" on page 95. 10. Go to "Completing the parts replacement - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 106
Safety , Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the internal sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 107
Warranty, and Setup Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. bezel. 9. Install the two screws to secure the new integrated camera - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 108
Guide, go to: http://www.lenovo.com/support This section provides instructions so that the screen is against the surface memory modules. See "Installing or replacing a memory module" on page 98. 9. Remove the battery. See "Replacing the battery" on page 96. 10 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 109
up and out of the socket. Do not touch the contacts on the microprocessor socket. 3. Note the orientation of the socket cover. Align the notches 1 on the microprocessor socket cover with the alignment keys 2 on the microprocessor socket. Install one side of the socket cover into the microprocessor - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 110
Installing one instructions included with the replacement part you received. Note: If your system board has two microprocessor sockets, be sure to install Guide, go to: http://www.lenovo.com/support This section provides instructions on lay it down so that the screen is against the surface and the - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 111
. See "Replacing the rear I/O assembly" on page 84. 9. Remove the system board shield. See "Removing and reinstalling the system board shield" on page 86. 10. Disconnect the LCD panel cable from the system board. See "System board parts and connectors" on page 70. Figure 43. Disconnect the LCD panel - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 112
bracket align with those in the front bezel. 18. Reinstall all the 15 screws that secure the computer main bracket to the front bezel. 106 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 113
the system board. See "System board parts and connectors" on page 70. Figure 47. Reconnect the LCD panel cable to the system board 20. Reinstall the integrated camera. See "Replacing the integrated camera" on page 101. 21. Reinstall the rear I/O assembly. See "Replacing the rear I/O assembly" on - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 114
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 and gently lay it down so that the screen is against the surface and the cover is facing ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 115
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. parts replacement" on page 109. Completing the parts replacement After completing the installation or replacement for all parts, you need to reinstall the computer cover - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 116
to secure the computer cover. Figure 50. Installing the computer cover 4. Reinstall the system stand computer. 7. Depending on the parts you installed or replaced, you might need to confirm 53. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Unit - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 117
.com/support/ 2. Lenovo Customer Support Center 3. Levels 1 and 2 Support To update (flash) the BIOS, see "Flash update procedures" on page 111. 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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 118
for updating (flashing) the BIOS from your operating system. 4. Print these instructions. This is very important because these instructions will not be displayed on the screen after the download begins. 5. Follow the printed instructions to download, extract, and install the update. Recovering from - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 119
, the series of beeps will end, and the system will automatically turn off. Remove the 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 120
114 ThinkCentre Hardware Maintenance Manual - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 121
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 M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 122
that have the factory-installed television-output feature. 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 - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 123
BIOS 111 frame stand reinstalling 76 removing 76 front connectors, controls, indicators 63 FRU locations 66 FRU part numbers 63, 69 H hard disk drive, replacing 79 heat sink assembly, replacing 89 © Copyright Lenovo 2012 I Identifying FRUs 66 information resources 31 installing, replacing memory - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 124
73 118 ThinkCentre Hardware Maintenance Manual T television output notice 116 temporary startup device 55 the BIOS, updating (flashing) 111-112 trademarks 116 troubleshooting, basic 35 troubleshooting, diagnostics 35 U updating (flashing) the BIOS 111 updating (flashing) the BIOS 112 using - Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 125
- Lenovo ThinkCentre M72z | Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 126
ThinkCentre
Hardware Maintenance Manual
Machine Types: 3512, 3528, 3533, 3535, 3536, 3537, 3538, 3539,
3543, 3548, 3549, 3553, 3554, 3556, 3558, and 3559.