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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
Voltage-selection switch . . . . . . . . . . . . 5
Safety inspection guide . . . . . . . . . . . . 5
Handling electrostatic discharge-sensitive
devices . . . . . . . . . . . . . . . . . . 6
Grounding requirements . . . . . . . . . . . . 6
Safety notices (multi-lingual translations) . . . . . 6
Chapter 3. General information. . . . 29
The ThinkVantage Productivity Center program . . 29
Additional information resources . . . . . . . 29
Specications . . . . . . . . . . . . . . . 29
For machine types: 7057, 7062, 7092, 9342,
9344, 9354, 9426, 9486, 9624, 9707, 9787,
9804, 9945 . . . . . . . . . . . . . . 29
For machine types: 7061, 7090, 9353, 9421,
9485, 9623, 9625, 9705, 9786, 9795, 9935,
9946, 9953 . . . . . . . . . . . . . . 29
Chapter 4. General Checkout. . . . . 31
Problem determination tips . . . . . . . . . . 31
Chapter 5. Diagnostics . . . . . . . . 33
Lenovo System Toolbox . . . . . . . . . . . 33
PC-Doctor for Windows PE. . . . . . . . . . 33
Running diagnostics from the Rescue and
Recovery workspace . . . . . . . . . . 33
PC-Doctor for DOS . . . . . . . . . . . . . 34
Creating a diagnostic CD image . . . . . . 34
Creating diagnostic diskettes . . . . . . . 34
Running diagnostics from the CD or
diskettes . . . . . . . . . . . . . . . 34
Navigating through the diagnostics
programs . . . . . . . . . . . . . . . 35
Running tests . . . . . . . . . . . . . 35
Viewing the test log . . . . . . . . . . . 36
Chapter 6. Using the Setup Utility . . 39
Starting the Setup Utility program . . . . . . . 39
Viewing and changing settings . . . . . . . . 39
Using passwords. . . . . . . . . . . . . . 39
Password considerations. . . . . . . . . 39
User Password. . . . . . . . . . . . . 40
Administrator Password . . . . . . . . . 40
Setting, changing, and deleting a password . 40
Enabling or disabling a device . . . . . . . . 40
Selecting a startup device . . . . . . . . . . 41
Selecting a temporary startup device . . . . 41
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 41
Exiting from the Setup Utility program . . . . . 41
Chapter 7. 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 . . . . . . . . . . . . . 62
Miscellaneous error messages . . . . . . . . 63
Undetermined problems . . . . . . . . . . . 65
Chapter 8. Replacing FRUs (Types
7061, 7090, 9353, 9421, 9485, 9623,
9625, 9705, 9786, 9795, 9935, 9946,
9953). . . . . . . . . . . . . . . . . . 67
Locating controls and connectors on the front of
your computer. . . . . . . . . . . . . . . 67
Rear connectors . . . . . . . . . . . . . . 67
Removing the cover . . . . . . . . . . . . 68
Locations. . . . . . . . . . . . . . . . . 69
Locating parts on the system board . . . . . . 71
Removing and replacing the front bezel . . . . . 71
Replacing the power supply . . . . . . . . . 72
Replacing the system board . . . . . . . . . 73
Replacing the microprocessor . . . . . . . . 77
Replacing a memory module . . . . . . . . . 79
Replacing a PCI adapter card . . . . . . . . . 80
Replacing the hard disk drive . . . . . . . . . 82
Replacing an optical drive . . . . . . . . . . 84
Replacing the diskette drive . . . . . . . . . 85
Replacing the rear fan assembly. . . . . . . . 86
Replacing the front fan assembly . . . . . . . 87
Replacing the front audio/USB assembly . . . . 89
Replacing the power switch/LED assembly . . . 89
Replacing the CMOS battery . . . . . . . . . 90
Completing the FRU replacement . . . . . . . 91
Chapter 9. Replacing FRUs (Types
7057, 7062, 7092, 9342, 9344, 9354,
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