Hardware Maintenance Manual (HMM) - ThinkCentre M77
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...Installing or replacing the optical drive . . . 86 Installing or replacing the card reader . . . . 88 Replacing the battery 92 Replacing the power supply assembly . . . 93 Replacing the heat sink and fan assembly . . 95 Replacing the microprocessor 97 Replacing the primary hard disk drive . .... Replacing the front fan assembly . . . . . 103 Replacing the rear fan 105 © Copyright Lenovo 2011, 2012 i Diagnostic programs . . . 39 Lenovo ThinkVantage Toolbox 39 Lenovo Solution Center 39 PC-Doctor for DOS 40 Creating a diagnostic disc 40 Running the diagnostic program from the ...
...Installing or replacing the optical drive . . . 86 Installing or replacing the card reader . . . . 88 Replacing the battery 92 Replacing the power supply assembly . . . 93 Replacing the heat sink and fan assembly . . 95 Replacing the microprocessor 97 Replacing the primary hard disk drive . .... Replacing the front fan assembly . . . . . 103 Replacing the rear fan 105 © Copyright Lenovo 2011, 2012 i Diagnostic programs . . . 39 Lenovo ThinkVantage Toolbox 39 Lenovo Solution Center 39 PC-Doctor for DOS 40 Creating a diagnostic disc 40 Running the diagnostic program from the ...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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...the hard disk drive 135 Replacing the optical drive 138 Replacing the heat sink and fan assembly . . 140 Replacing the power supply assembly . . . 143 Replacing the microprocessor 148 Replacing the front audio and USB assembly 151 Replacing the system fan 152... and BIOS update failure 280 Power management 281 Advanced Configuration and Power Interface (ACPI) BIOS 281 Automatic Power-On features 281 Appendix A. Notices 283 Television output notice 284 Europeanpean conformance CE mark . . . . . 284 Trademarks 284 Index 285 ii ThinkCentre Hardware Maintenance Manual Replacing the ...
...the hard disk drive 135 Replacing the optical drive 138 Replacing the heat sink and fan assembly . . 140 Replacing the power supply assembly . . . 143 Replacing the microprocessor 148 Replacing the front audio and USB assembly 151 Replacing the system fan 152... and BIOS update failure 280 Power management 281 Advanced Configuration and Power Interface (ACPI) BIOS 281 Automatic Power-On features 281 Appendix A. Notices 283 Television output notice 284 Europeanpean conformance CE mark . . . . . 284 Trademarks 284 Index 285 ii ThinkCentre Hardware Maintenance Manual Replacing the ...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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...back. these hazards are removed from grounds such as metal floor strips and machine frames. Ensure that supplies power to the machine and to lock the wall box in a machine: - Power supply units - Send another person, familiar with very high voltages; Removing or installing Field Replaceable Units (... electric shock. First, check that it , ask the customer to power-off the wall box that another person to work on a machine that does not insulate you start to get medical aid. 4 ThinkCentre Hardware Maintenance Manual Motor generators and similar units. (This practice ensures...
...back. these hazards are removed from grounds such as metal floor strips and machine frames. Ensure that supplies power to the machine and to lock the wall box in a machine: - Power supply units - Send another person, familiar with very high voltages; Removing or installing Field Replaceable Units (... electric shock. First, check that it , ask the customer to power-off the wall box that another person to work on a machine that does not insulate you start to get medical aid. 4 ThinkCentre Hardware Maintenance Manual Motor generators and similar units. (This practice ensures...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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Check for operator safety and correct system function. Make sure that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as to protect against ESD damage. - Most clothing is insulative and ...Notes: 1. The mat is a difference in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) 6 ThinkCentre Hardware Maintenance Manual Check inside the unit for any obvious unsafe conditions, such as those listed below, to electrostatic discharge (ESD). ESD damage can be...
Check for operator safety and correct system function. Make sure that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as to protect against ESD damage. - Most clothing is insulative and ...Notes: 1. The mat is a difference in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) 6 ThinkCentre Hardware Maintenance Manual Check inside the unit for any obvious unsafe conditions, such as those listed below, to electrostatic discharge (ESD). ESD damage can be...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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... of the laser product could result in hazardous radiation exposure. Removing the covers of procedures other than one power cord. There are disconnected from the power source. 2 1 8 ThinkCentre Hardware Maintenance Manual DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode. Do...8805;32 kg (70.5 lb) ≥55 kg (121.2 lb) CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to hazardous laser radiation. The device also might have more than those specified herein might ...
... of the laser product could result in hazardous radiation exposure. Removing the covers of procedures other than one power cord. There are disconnected from the power source. 2 1 8 ThinkCentre Hardware Maintenance Manual DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode. Do...8805;32 kg (70.5 lb) ≥55 kg (121.2 lb) CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to hazardous laser radiation. The device also might have more than those specified herein might ...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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...on the screen. 4. Press Enter when prompted to confirm the exit. • Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after power loss feature, do the following : • If you want to save the new settings, ...enable the after a sudden loss of the following : 1. Using the Setup Utility program 47 You might have to confirm the exit. Select Power On and press Enter. 4. Exiting the Setup Utility program After you want to save changes and exit the Setup Utility program. From the Setup...
...on the screen. 4. Press Enter when prompted to confirm the exit. • Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after power loss feature, do the following : • If you want to save the new settings, ...enable the after a sudden loss of the following : 1. Using the Setup Utility program 47 You might have to confirm the exit. Select Power On and press Enter. 4. Exiting the Setup Utility program After you want to save changes and exit the Setup Utility program. From the Setup...
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...the error message first. 2. FRU/Action Check the configuration and ensure the start-up drive is not in the boot sequence in the boot sequence. Power supply problems If you are needed when servicing a computer. See "Running tests" on page 71. Always begin with the Chapter 4 "General checkout" ...boot sector on the failing hard disk drive. 2. Install an operating system on switch for information about the diagnostic programs. © Copyright Lenovo 2011, 2012 49 The drive must be formatted. Do the following causes. Attempt to back up drive is in configuration. Check the...
...the error message first. 2. FRU/Action Check the configuration and ensure the start-up drive is not in the boot sequence in the boot sequence. Power supply problems If you are needed when servicing a computer. See "Running tests" on page 71. Always begin with the Chapter 4 "General checkout" ...boot sector on the failing hard disk drive. 2. Install an operating system on switch for information about the diagnostic programs. © Copyright Lenovo 2011, 2012 49 The drive must be formatted. Do the following causes. Attempt to back up drive is in configuration. Check the...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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... that is connected and/or enabled. Flash the system and re-test. Replace component under test 1. System board 1. PCI card 2. Riser card, if installed 3. Check power supply voltages 3. System board No action 1. Symptom-to-FRU index 59 Riser card, if installed 3. IDE signal cable 2.
... that is connected and/or enabled. Flash the system and re-test. Replace component under test 1. System board 1. PCI card 2. Riser card, if installed 3. Check power supply voltages 3. System board No action 1. Symptom-to-FRU index 59 Riser card, if installed 3. IDE signal cable 2.
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... 1. Flash the system and re-test. SCSI adapter card, if installed 5. System board Information onlyRe-start the test, if necessary 60 ThinkCentre Hardware Maintenance Manual See "Updating (flashing) the BIOS from a disc" on page 71 1. Check power supply 3. SCSI device 4. System board 1. System board Information only Re-start the test, if necessary 1. Check...
... 1. Flash the system and re-test. SCSI adapter card, if installed 5. System board Information onlyRe-start the test, if necessary 60 ThinkCentre Hardware Maintenance Manual See "Updating (flashing) the BIOS from a disc" on page 71 1. Check power supply 3. SCSI device 4. System board 1. System board Information only Re-start the test, if necessary 1. Check...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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...called out in warning statement 4. See "Undetermined problems" on page 71 2. Press F3 to reset the log file 1. Check fans 2. Replace component under test 1. Power supply 2. Flash the system and re-test. Diagnostic Error Code 170-199-XXX Voltage Sensor(s) test failed, cause unknown 170-250-XXX 170-251-XXX Voltage...-FRU index 65 Replace component under function test 1. Flash system 2. See "Undetermined problems" on page 71 2. Flash the system and re-test. Microprocessor 3. Check Power supply voltages 3. Symptom-to "Undetermined problems" on page 279 3.
...called out in warning statement 4. See "Undetermined problems" on page 71 2. Press F3 to reset the log file 1. Check fans 2. Replace component under test 1. Power supply 2. Flash the system and re-test. Diagnostic Error Code 170-199-XXX Voltage Sensor(s) test failed, cause unknown 170-250-XXX 170-251-XXX Voltage...-FRU index 65 Replace component under function test 1. Flash system 2. See "Undetermined problems" on page 71 2. Flash the system and re-test. Microprocessor 3. Check Power supply voltages 3. Symptom-to "Undetermined problems" on page 279 3.
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...3. Diskette drive 4. SCSI adapter card 6. Check and test mouse 3. Diskette Drive Cable 2. Hard Disk drive (IDE) 5. Check power supply voltages 3. System board No action 1. CD-ROM drive 4. Hard Disk Drive Cable 2. Check power supply voltages 3. Remove the Hi-Capacity Cartridge Drive and re-test the system 1. Keyboard 2. Cache, if removable 2. CD-ROM Drive... 1. System board No action No action 1. Hard Disk drive (SCSI) 5. System board No action Remove the Joystick and re-test the system 66 ThinkCentre Hardware Maintenance Manual System board No action 1.
...3. Diskette drive 4. SCSI adapter card 6. Check and test mouse 3. Diskette Drive Cable 2. Hard Disk drive (IDE) 5. Check power supply voltages 3. System board No action 1. CD-ROM drive 4. Hard Disk Drive Cable 2. Check power supply voltages 3. Remove the Hi-Capacity Cartridge Drive and re-test the system 1. Keyboard 2. Cache, if removable 2. CD-ROM Drive... 1. System board No action No action 1. Hard Disk drive (SCSI) 5. System board No action Remove the Joystick and re-test the system 66 ThinkCentre Hardware Maintenance Manual System board No action 1.
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... FRU/Action Changing display colors Display/Monitor Computer will not RPL from server 1. Ensure that network adapter is using correct MAC address 5. Power Supply 2. System Board 2. Symptom-to enter the Setup Utility program. Press F1 to -FRU index 69 See "Hard disk drive boot error...the Setup Utility program. Then press F10 to enter the Setup Utility program. Riser card, if installed Computer will not power-off. Check power supply and signal cable connections to enter the Setup Utility program. Hard Disk Drive Cable Chapter 7. Security password retry count exceeded...
... FRU/Action Changing display colors Display/Monitor Computer will not RPL from server 1. Ensure that network adapter is using correct MAC address 5. Power Supply 2. System Board 2. Symptom-to enter the Setup Utility program. Press F1 to -FRU index 69 See "Hard disk drive boot error...the Setup Utility program. Then press F10 to enter the Setup Utility program. Riser card, if installed Computer will not power-off. Check power supply and signal cable connections to enter the Setup Utility program. Hard Disk Drive Cable Chapter 7. Security password retry count exceeded...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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...port) 1. System Board 2. Network Adapter Intensity or color varies from its own hard disk. 1. Display 2. Display 2. Power switch/LED assembly 2. If network administrator is using LCCM Hybrid RPL, check startup sequence: a. Video adapter (if present...boot error" on indicator or hard disk drive in the first 3.5-inch diskette drive. 1. Power Supply RPL computer cannot access programs from left to right of characters and color bars 1. System Board Program loads ... POST 1. Diskette Drive 2. System Board 70 ThinkCentre Hardware Maintenance Manual
...port) 1. System Board 2. Network Adapter Intensity or color varies from its own hard disk. 1. Display 2. Display 2. Power switch/LED assembly 2. If network administrator is using LCCM Hybrid RPL, check startup sequence: a. Video adapter (if present...boot error" on indicator or hard disk drive in the first 3.5-inch diskette drive. 1. Power Supply RPL computer cannot access programs from left to right of characters and color bars 1. System Board Program loads ... POST 1. Diskette Drive 2. System Board 70 ThinkCentre Hardware Maintenance Manual
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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... some models) 5 Front audio and USB assembly 6 Internal speaker (installed in some models) 10 Cover presence switch (also called intrusion switch) 11 Rear fan 12 Power supply assembly 13 Microprocessor 76 ThinkCentre Hardware Maintenance Manual Locating components Figure 3 "Component locations" on page 79.
... some models) 5 Front audio and USB assembly 6 Internal speaker (installed in some models) 10 Cover presence switch (also called intrusion switch) 11 Rear fan 12 Power supply assembly 13 Microprocessor 76 ThinkCentre Hardware Maintenance Manual Locating components Figure 3 "Component locations" on page 79.
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...9. Install a new battery. This is turned on page 112. To complete the replacement, go to: http://support.lenovo.com This section provides instructions on how to replace the power supply assembly. See "Completing the parts replacement" on the computer and all attached devices. 8. Turn on page 112.... the battery, an error message might be displayed. Although there are no moving parts in the ThinkCentre Safety and Warranty Guide that came with your computer after the power cord has been disconnected, the following warnings are required for the first time after replacing the battery...
...9. Install a new battery. This is turned on page 112. To complete the replacement, go to: http://support.lenovo.com This section provides instructions on how to replace the power supply assembly. See "Completing the parts replacement" on the computer and all attached devices. 8. Turn on page 112.... the battery, an error message might be displayed. Although there are no moving parts in the ThinkCentre Safety and Warranty Guide that came with your computer after the power cord has been disconnected, the following warnings are required for the first time after replacing the battery...
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...page 79. 3. Keep fingers and other body parts away. Disconnect the power supply assembly cables from the system board and all power cords from the cable clips and ties in the chassis. 94 ThinkCentre Hardware Maintenance Manual Hazardous voltage, current, and energy levels are no serviceable ...parts inside any part that has this label attached. CAUTION: Never remove the cover on a power supply or any component that has the following : 1....
...page 79. 3. Keep fingers and other body parts away. Disconnect the power supply assembly cables from the system board and all power cords from the cable clips and ties in the chassis. 94 ThinkCentre Hardware Maintenance Manual Hazardous voltage, current, and energy levels are no serviceable ...parts inside any part that has this label attached. CAUTION: Never remove the cover on a power supply or any component that has the following : 1....
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... and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that secure the power supply assembly. Install the new power supply assembly into the chassis so that the new power supply assembly is the correct replacement. 8. Note: Use only screws provided by Lenovo. 10. Secure the power supply assembly cables with the cable clips and ties in...
... and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that secure the power supply assembly. Install the new power supply assembly into the chassis so that the new power supply assembly is the correct replacement. 8. Note: Use only screws provided by Lenovo. 10. Secure the power supply assembly cables with the cable clips and ties in...
Hardware Maintenance Manual (HMM) - ThinkCentre M77
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Locating components Figure 49 "Component locations" on page 121. Component locations 1 Heat sink and fan assembly 2 Microprocessor 3 Power supply assembly 4 Memory module 5 Optical drive 6 Card reader (installed in some models) 7 Front audio and USB assembly 8 Front bezel 9 System fan 10 Internal speaker (installed in ... the computer cover" on page 118 shows the locations of the various components in some models) 14 System board 15 Heat sink fan duct 118 ThinkCentre Hardware Maintenance Manual Figure 49.
Locating components Figure 49 "Component locations" on page 121. Component locations 1 Heat sink and fan assembly 2 Microprocessor 3 Power supply assembly 4 Memory module 5 Optical drive 6 Card reader (installed in some models) 7 Front audio and USB assembly 8 Front bezel 9 System fan 10 Internal speaker (installed in ... the computer cover" on page 118 shows the locations of the various components in some models) 14 System board 15 Heat sink fan duct 118 ThinkCentre Hardware Maintenance Manual Figure 49.
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...are no moving parts in the ThinkCentre Safety and Warranty Guide that came with those in the heat sink and fan assembly. Replacing FRUs (Machine Types: 1996, 1997, 2002, 2010, 2208, 2209, 2221, 2224, 2226, and 2227.) 143 Replacing the power supply assembly Attention: Do not open ...go to: http://support.lenovo.com This section provides instructions on how to replace the power supply assembly. CAUTION: Chapter 9. Lower and position the heat sink fan duct on page 160. Install the two screws to "Completing the parts replacement" on the top of the ThinkCentre Safety and Warranty Guide...
...are no moving parts in the ThinkCentre Safety and Warranty Guide that came with those in the heat sink and fan assembly. Replacing FRUs (Machine Types: 1996, 1997, 2002, 2010, 2208, 2209, 2221, 2224, 2226, and 2227.) 143 Replacing the power supply assembly Attention: Do not open ...go to: http://support.lenovo.com This section provides instructions on how to replace the power supply assembly. CAUTION: Chapter 9. Lower and position the heat sink fan duct on page 160. Install the two screws to "Completing the parts replacement" on the top of the ThinkCentre Safety and Warranty Guide...
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... connected to the computer. 2. See "Removing and reinstalling the front bezel" on page 135. 144 ThinkCentre Hardware Maintenance Manual Remove the hard disk drive. See "Replacing the hard disk drive" on page 122. 4. To replace the power supply assembly, do the following label attached. If you suspect a problem with one of these components...
... connected to the computer. 2. See "Removing and reinstalling the front bezel" on page 135. 144 ThinkCentre Hardware Maintenance Manual Remove the hard disk drive. See "Replacing the hard disk drive" on page 122. 4. To replace the power supply assembly, do the following label attached. If you suspect a problem with one of these components...