2.1 Troubleshooting
2 Troubleshooting Procedures
QOSMIO G40 Maintenance Manual (960-632)
[CONFIDENTIAL]
2-1
2
2.1 Troubleshooting
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. (The “FRU” means the replaceable unit in the field.)
The FRUs covered are:
1. Power supply
7. Display
13. Sound
2. System Board
8. Optical Disk Drive
14. TV Tuner
3. USB FDD
9. Modem
15. Bridge Media slot
4. 2.5” HDD
10. LAN
16. PCI ExpressCard slot
5. Keyboard
11. Wireless LAN
17. Fingerprint Sensor
6. Touch pad
12. Bluetooth
18. Web camera
19. Intel Turbo Memory
The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.
NOTE:
Before replacing the system board, it is necessary to execute the subtest 03 DMI
Information save of the 3.4 Setting of the hardware configuration in Chapter 3.
After replacing the system board, it is necessary to execute the subtest 04 DMI
Information recovery and subtest 08 System configuration display of the 3.4
Setting of the hardware configuration in Chapter 3. Also update with the latest
EC/KBC as described in Appendix H “EC/KBC Rewrite Procedures”.
After replacing the LCD, update with the latest EC/KBC as described in Appendix
H “EC/KBC Rewrite Procedures” to set the SVP parameter.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
1.
Phillips screwdrivers (For replacement procedures)
2.
Implements for debugging port check
•
•
•
•
DOS system FD
RS-232C cross cable
Test board with debug port test cable
PC for displaying debug port test result
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 ...