Table Of Contents - Lenovo ThinkCentre A63 6674 Hardware Maintenance Manual

Contents
Chapter 1. About this manual . . . . . 1
Important safety information .
Important information about replacing the RoHS
compliant FRUs . . .
Chapter 2. Safety information . . . . . 3
General safety . . . .
Electrical safety . . .
Voltage-selection switch.
Safety inspection guide .
Handling electrostatic discharge-sensitive devices .
Grounding requirements .
Safety notices (multi-lingual translations) .
Chapter 3. General information . . . . 39
Online Books folder .
Lenovo ThinkVantage Tools .
ThinkVantage Productivity Center .
Lenovo Welcome . .
Access Help . . . .
Additional information resources .
Specifications . . . .
Chapter 4. General checkout . . . . . 43
Problem determination tips .
Chapter 5. Diagnostics . . . . . . . . 45
Lenovo ThinkVantage Toolbox .
Lenovo System Toolbox .
PC-Doctor for Rescue and Recovery .
PC-Doctor for DOS . .
Creating a diagnostic disc
Running the diagnostic program from a
diagnostic disc . .
Navigating through the diagnostics programs .
Running tests. . .
Viewing the test log
Chapter 6. Using the Setup Utility . . . 51
Starting the Setup Utility program .
Viewing and changing settings .
Using passwords . .
Password considerations .
Power-On Password
Administrator Password .
Setting, changing, and deleting a password .
Enabling or disabling a device .
Selecting a startup device.
Selecting a temporary startup device .
Selecting or changing the startup device sequence 53
Exiting from the Setup Utility program .
Chapter 7. Symptom-to-FRU index . . . 55
Hard disk drive boot error .
© Copyright Lenovo 2009
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Power supply problems .
Diagnostic error codes .
. 1
Beep symptoms .
POST error codes .
. 2
Miscellaneous error messages .
Undetermined problems .
. 3
Chapter 8. Replacing FRUs . . . . . . 83
. 3
Locating connectors on the front of your computer
. 5
Locating connectors on the rear of your computer
. 5
Removing the computer cover .
. 6
Locating components .
. 7
Locating parts on the system board .
. 7
Removing and reinstalling the front bezel .
Installing or replacing a memory module .
Installing or replacing a PCI card .
. 39
Replacing the battery .
. 39
Replacing the power supply assembly
. 39
Replacing the heat sink and fan assembly .
. 40
Replacing the microprocessor .
. 40
Replacing the system board
. 40
Replacing the primary hard disk drive .
. 41
Replacing the secondary hard disk drive .
Replacing the optical drive .
Replacing the card reader .
. 43
Replacing the front fan assembly .
Replacing the rear fan assembly .
Replacing the internal speaker .
. 45 Replacing the front audio and USB assembly .
. 45 Completing the FRU replacement.
. 46
. 46
Chapter 9. FRU lists . . . . . . . . 119
. 46
Machine Type 4013
Machine Type 4478
. 46
Machine Type 5043
. 47
Machine Type 5237
. 47
Machine Type 5393
. 49
Machine Type 5526
Machine Type 6674
. 51
Chapter 10. Additional service
. 51
information . . . . . . . . . . . . 169
. 51
Security features .
. 51
Hardware controlled Passwords .
. 52
Operating system password
. 52
Vital product data .
. 52
BIOS levels . .
. 52
Updating (flashing) BIOS from a disc .
. 53
Updating (flashing) BIOS from your operating
. 53
system . . .
Recovering from a POST/BIOS update failure
. 53
Power management .
Automatic configuration and power interface
(ACPI) BIOS.
. 55
Automatic Power-On features .
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