2 Troubleshooting Procedures | 2.1 Troubleshooting |
2.1Troubleshooting
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 |
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6. | Touch pad | 12. | Bluetooth |
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The Test Program operations are described in Chapter 3. Detailed replacement procedures are described in Chapter 4.
NOTE: After replacing the system board or CPU, it is necessary to execute the subtest 01 initial configuration of the 3.3 Setting of the hardware configuration in Chapter 3. Also update with the latest BIOS as described in Appendix G “BIOS 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
•Toshiba
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•Test board with debug port test cable
•PC for displaying debug port test result
QOSMIO G20 Maintenance Manual | [CONFIDENTIAL] |
