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Contents
Chapter 1. About this manual . . . . . 1
Important Safety Information . . . . . . . . . . 1
Important information about replacing RoHS
compliant FRUs . . . . . . . . . . . . . . . 1
Chapter 2. Safety information . . . . . 3
General safety . . . . . . . . . . . . . . . . 3
Electrical safety . . . . . . . . . . . . . . . 3
Safety inspection guide . . . . . . . . . . . . 5
Handling electrostatic discharge-sensitive
devices . . . . . . . . . . . . . . . . . . 5
Grounding requirements . . . . . . . . . . . . 6
Safety notices (multi-lingual translations) . . . . . 6
Chapter 3. General information. . . . 29
Lenovo ThinkVantage Tools . . . . . . . . . 29
Lenovo Welcome. . . . . . . . . . . . . . 29
Additional information resources . . . . . . . 29
Specications . . . . . . . . . . . . . . . 29
Chapter 4. General Checkout. . . . . 31
Problem determination tips. . . . . . . . . . 31
Chapter 5. Diagnostics . . . . . . . . 33
Lenovo ThinkVantage Toolbox . . . . . . . . 33
PC-Doctor for DOS . . . . . . . . . . . . . 33
Creating a diagnostic disc . . . . . . . . 33
Running the diagnostic program from the
diagnostic disc. . . . . . . . . . . . . 33
Navigating through the diagnostics
programs . . . . . . . . . . . . . . . 34
Running tests . . . . . . . . . . . . . 34
Chapter 6. Using the Setup Utility
program . . . . . . . . . . . . . . . . 37
Starting the Setup Utility program . . . . . . . 37
Viewing or changing settings . . . . . . . . . 37
Using passwords. . . . . . . . . . . . . . 37
Password considerations. . . . . . . . . 38
Power-On Password . . . . . . . . . . 38
Administrator password . . . . . . . . . 38
Hard Disk Password. . . . . . . . . . . 38
Setting, changing, or deleting a password . . 38
Enabling or disabling a device . . . . . . . . 39
Selecting a startup device . . . . . . . . . . 39
Selecting a temporary startup device . . . . 39
Viewing or changing the startup device
sequence . . . . . . . . . . . . . . . 39
Exiting the Setup Utility program . . . . . . . 40
Chapter 7. Conguring RAID . . . . . 41
RAID Level . . . . . . . . . . . . . . . . 41
Conguring the system BIOS to enable SATA RAID
functionality. . . . . . . . . . . . . . . . 41
Creating RAID volumes . . . . . . . . . . . 41
Deleting RAID volumes . . . . . . . . . . . 42
Resetting disks to non-RAID . . . . . . . . . 42
Chapter 8. Symptom-to-FRU Index . 43
Hard disk drive boot error . . . . . . . . . . 43
Power Supply Problems . . . . . . . . . . . 43
Diagnostic error codes . . . . . . . . . . . 44
Beep symptoms . . . . . . . . . . . . . . 61
POST error codes . . . . . . . . . . . . . 61
Miscellaneous error messages . . . . . . . . 63
Undetermined problems . . . . . . . . . . . 65
Chapter 9. Replacing FRUs. . . . . . 67
Locations. . . . . . . . . . . . . . . . . 67
Locating connectors, controls, and indicators
on the front of your computer . . . . . . . 67
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . 68
Locating components . . . . . . . . . . 70
Locating parts on the system board . . . . 71
Removing the computer cover . . . . . . . . 72
Removing and reinstalling the front bezel . . . . 73
Installing or replacing a PCI card . . . . . . . 74
Installing or replacing a memory module . . . . 77
Replacing the battery . . . . . . . . . . . . 79
Installing or replacing the optical drive . . . . . 80
Replacing the card reader . . . . . . . . . . 82
Replacing the power supply assembly . . . . . 84
Replacing the heat sink and fan assembly . . . . 86
Replacing the microprocessor . . . . . . . . 88
Replacing the system board . . . . . . . . . 91
Replacing the primary hard disk drive. . . . . . 93
Replacing the secondary hard disk drive . . . . 95
Replacing the front fan assembly . . . . . . . 98
Replacing the rear fan assembly. . . . . . . . 100
Completing the parts replacement . . . . . . . 102
Chapter 10. FRU lists . . . . . . . . 105
Overall: MT 7782, 7783, 7784, 7821, 7823, and
7824 . . . . . . . . . . . . . . . . . . 105
Mechanical FRUs . . . . . . . . . . . . . 110
© Copyright Lenovo 2011
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