Table Of Contents - Lenovo ThinkCentre A58e 0841 Hardware Maintenance Manual

Contents
Chapter 1. About this manual . . . . . 1
Important Safety Information .
Important information about replacing RoHS
compliant FRUs . . .
Turkish statement of compliance .
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
Additional information resources .
Specifications . . . .
Chapter 4. General Checkout . . . . . 41
Problem determination tips .
Chapter 5. Diagnostics . . . . . . . . 43
Lenovo System Toolbox .
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 . . . 47
Starting the Setup Utility program .
Viewing and changing settings .
Using passwords . .
Password considerations .
Set User Password .
Set Supervisor 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 49
Exiting from the Setup Utility program .
Chapter 7. Symptom-to-FRU Index . . . 51
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 .
. 2
Undetermined problems .
Chapter 8. Replacing FRUs (Type 0841) 79
. 3
Locations . .
. 3
Rear connectors .
. 5
Computer components
. 5
System board connectors .
. 6
Removing the computer cover .
. 7
Removing and reinstalling the front bezel .
. 7
Replacing the power supply assembly
Replacing the system board .
Replacing the heat sink and fan assembly .
. 39
Replacing the microprocessor .
. 40
Replacing a memory module
Replacing the hard disk drive .
Replacing the optical drive .
. 41
Replacing the front audio/USB assembly .
Replacing the battery .
Completing the FRU replacement
. 43
. 43
Chapter 9. FRU lists . . . . . . . . 107
. 43
Machine Type 0841
. 44
Chapter 10. Additional Service
. 44
Information . . . . . . . . . . . . 113
. 44
Security features .
. 46
Hardware controlled Passwords .
Operating system password
Vital product data .
. 47
BIOS levels . .
. 47
Flash update procedures.
. 47
Updating (flashing) BIOS from a disc .
. 47
Updating (flashing) BIOS from your operating
. 48
system. . . .
. 48
Recovering from a POST/BIOS update failure
. 48
Power management .
. 48
Automatic configuration and power interface
. 49
(ACPI) BIOS .
. 49
Automatic Power-On features .
. 50
Appendix. Notices . . . . . . . . . 117
Television output notice .
Trademarks . .
. 51
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