Lenovo 4476 Computer Hardware User Manual


 
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 . . . . 33
Lenovo Welcome. . . . . . . . . . . . . . 33
Lenovo ThinkVantage Tools . . . . . . . . . 33
Lenovo ThinkVantage Toolbox . . . . . . . . 33
ThinkVantage Productivity Center . . . . . . . 33
Additional information resources . . . . . . . 33
Specications . . . . . . . . . . . . . . . 34
For machine types: 4468, 4473, 4476, 4479,
4495, 4497, 4499, 4504, 4513, 4517, 4524,
7021, 7032, 7034, 7049, 7052, 7053, 7073,
7136, and 7178. . . . . . . . . . . . . 34
For machine types: 4466, 4471, 4474, 4477,
4480, 4485, 4496, 4498, 4503, 4512, 4514,
4518, 4554, 7005, 7023, 7033, 7035, 7072,
7079, and 7177. . . . . . . . . . . . . 35
Chapter 4. General checkout . . . . . 37
Problem determination tips. . . . . . . . . . 37
Chapter 5. Diagnostic programs . . . 39
Lenovo ThinkVantage Toolbox . . . . . . . . 39
PC-Doctor for DOS . . . . . . . . . . . . . 39
Creating a diagnostic disc . . . . . . . . 39
Running the diagnostic program from the
diagnostic disc. . . . . . . . . . . . . 40
Navigating through the diagnostic programs . 40
Running tests . . . . . . . . . . . . . 40
Viewing the test log . . . . . . . . . . . 42
Chapter 6. Using the Setup Utility
program . . . . . . . . . . . . . . . 43
Starting the Setup Utility program . . . . . . . 43
Viewing or changing settings . . . . . . . . . 43
Using passwords. . . . . . . . . . . . . . 43
Password considerations. . . . . . . . . 44
Power-on password . . . . . . . . . . . 44
Administrator password . . . . . . . . . 44
Hard Disk Password. . . . . . . . . . . 44
Setting, changing, or deleting a password . . 44
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 45
Enabling or disabling a device . . . . . . . . 45
Selecting a startup device . . . . . . . . . . 46
Selecting a temporary startup device . . . . 46
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 46
Smart performance choices . . . . . . . . . 46
Exiting the Setup Utility program . . . . . . . 47
Chapter 7. Symptom-to-FRU index . . 49
Hard disk drive boot error . . . . . . . . . . 49
Power Supply Problems . . . . . . . . . . . 49
Diagnostic error codes . . . . . . . . . . . 49
Beep symptoms . . . . . . . . . . . . . . 67
POST error codes . . . . . . . . . . . . . 68
Miscellaneous error messages . . . . . . . . 69
Undetermined problems . . . . . . . . . . . 71
Chapter 8. Replacing FRUs (Machine
Types: 4468, 4473, 4476, 4479, 4495,
4497, 4499, 4504, 4513, 4517, 4524,
7021, 7032, 7034, 7049, 7052, 7053,
7073, 7136, and 7178.) . . . . . . . . 73
Locations. . . . . . . . . . . . . . . . . 73
Locating connectors, controls, and indicators
on the front of your computer . . . . . . . 74
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . 75
Locating components . . . . . . . . . . 76
Locating parts on the system board . . . . 77
Locating internal drives . . . . . . . . . 78
Handling static-sensitive devices . . . . . . . 78
Installing or replacing hardware . . . . . . . . 79
Removing the computer cover. . . . . . . 79
Removing and reinstalling the front bezel . . 80
Installing or replacing a PCI card . . . . . . 81
Installing or replacing a memory module. . . 84
Installing or replacing the optical drive . . . 86
Installing or replacing the card reader . . . . 88
Replacing the battery . . . . . . . . . . 92
Replacing the power supply assembly . . . 93
© Copyright Lenovo 2011
iii