Table of Contents
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Chapter 2
2.1
Troubleshooting ......................................................................................................... 2-1
2.2
Troubleshooting Flowchart........................................................................................ 2-3
2.3
Power Supply Troubleshooting.................................................................................. 2-8
2.4
System Board Troubleshooting................................................................................ 2-18
2.5
USB FDD Troubleshooting ..................................................................................... 2-39
2.6
2.5" HDD Troubleshooting...................................................................................... 2-43
2.7
Keyboard Troubleshooting ...................................................................................... 2-48
2.8
Touch pad Troubleshooting ..................................................................................... 2-50
QOSMIO G40 Maintenance Manual (960-632)
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Contents
Power Status Check ............................................................... 2-8
Error Code Check ................................................................ 2-10
Connection Check................................................................ 2-16
Charging Check ................................................................... 2-16
Procedure 5
Replacement Check ............................................................. 2-17
Message Check .................................................................... 2-19
Debugging Port Check......................................................... 2-21
Diagnostic Test Program Execution Check ......................... 2-38
Replacement Check ............................................................. 2-38
FDD Head Cleaning Check ................................................. 2-39
Diagnostic Test Program Execution Check ......................... 2-40
Partition Check..................................................................... 2-43
Message Check .................................................................... 2-44
Format Check....................................................................... 2-45
Diagnostic Test Program Execution Check ......................... 2-46
Diagnostic Test Program Execution Check ......................... 2-48
Diagnostic Test Program Execution Check ......................... 2-50
Troubleshooting Procedures
[CONFIDENTIAL]
2-iii
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Chapters
Table of Contents
Troubleshooting
