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[CONFIDENTIAL]
QOSMIO G40 Maintenance Manual (960-632)
Table of Contents
Chapter 1
Hardware Overview
1.1 Features ...................................................................................................................... 1-1
1.2
System Block Diagram .............................................................................................. 1-7
1.3
2.5-inch Hard Disk Drive......................................................................................... 1-11
1.4 Optical
Drive............................................................................................................ 1-13
1.5 Keyboard.................................................................................................................. 1-17
1.6
TFT Color Display ................................................................................................... 1-18
1.7 Power
Supply ........................................................................................................... 1-20
1.8 Batteries ................................................................................................................... 1-22
1.9 AC
Adapter .............................................................................................................. 1-25
Chapter 2
Troubleshooting Procedures
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
2.9
Display Troubleshooting.......................................................................................... 2-52
2.10 Optical Disk Drive Troubleshooting........................................................................ 2-55
2.11 Modem Troubleshooting.......................................................................................... 2-56
2.12 LAN Troubleshooting .............................................................................................. 2-58
2.13
Wireless LAN Troubleshooting ............................................................................... 2-59
2.14 Bluetooth
Troubleshooting ...................................................................................... 2-62
2.15 Sound
Troubleshooting............................................................................................ 2-65
Downloaded from LpManual.com Manuals
Summary of Contents for Qosmio G40
Page 10: ...x CONFIDENTIAL QOSMIO G40 Maintenance Manual 960 632 Downloaded from LpManual com Manuals ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview Downloaded from LpManual com Manuals ...
Page 41: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures Downloaded from LpManual com Manuals ...
Page 131: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics Downloaded from LpManual com Manuals ...
Page 231: ... CONFIDENTIAL Chapter 4 Replacement Procedures Downloaded from LpManual com Manuals ...
Page 375: ... CONFIDENTIAL Appendices Downloaded from LpManual com Manuals ...