Toshiba Satellite L630-BT2N13 Maintenance Manual - Page 44

If an error is detected by the Display test, follow the display troubleshooting procedures

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2.2 Basic Flowchart 2 Troubleshooting If the diagnostic program cannot detect an error, the error may be intermittent. Run the continuous test program repeatedly to isolate the problem. Check the log utilities function to confirm which diagnostic test detected the error, then perform the appropriate troubleshooting procedures as follows: 1. If an error is detected by the System test, Memory test, Async test, Printer test, Sound test, or Real Timer test, follow the system board troubleshooting procedures in Section 2.4. 2. If an error is detected by the Hard Disk test, follow the HDD troubleshooting procedures in Section 2.5. 3. If an error is detected by the Keyboard test, follow the keyboard troubleshooting procedures in Section 2.6. 4. If an error is detected by the Display test, follow the display troubleshooting procedures in Section 2.7. 5. If an error is detected by the ODD test, follow the ODD troubleshooting procedures in Section 2.8. 6. If an error is detected by the LAN test, follow the LAN troubleshooting procedures in section 2.9. 7. If an error is detected by the Speaker test, follow the Speaker troubleshooting procedures in section 2.10. 8. If an error is detected by the Fan On/Off test, follow the cooling module troubleshooting procedures in Section 2.11. 2-5 Satellite/Satellite Pro/L630/L635 Maintenance Manual

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2.2 Basic Flowchart
2 Troubleshooting
2-5
Satellite/Satellite Pro/L630/L635
Maintenance Manual
If the diagnostic program cannot detect an error, the error may be intermittent.
Run the
continuous test program repeatedly to isolate the problem.
Check the log utilities function to
confirm which diagnostic test detected the error, then perform the appropriate troubleshooting
procedures as follows:
1.
If an error is detected by the System test, Memory test, Async test, Printer test,
Sound
test, or Real Timer test, follow the system board troubleshooting procedures in Section
2.4.
2.
If an error is detected by the Hard Disk test, follow the HDD troubleshooting procedures
in Section 2.5.
3.
If an error is detected by the Keyboard test, follow the keyboard troubleshooting
procedures in Section 2.6.
4.
If an error is detected by the Display test, follow the display troubleshooting procedures
in Section 2.7.
5.
If an error is detected by the ODD test, follow the ODD troubleshooting procedures in
Section 2.8.
6.
If an error is detected by the LAN test, follow the LAN troubleshooting procedures in
section 2.9.
7.
If an error is detected by the Speaker test, follow the Speaker troubleshooting procedures
in section 2.10.
8.
If an error is detected by the Fan On/Off test, follow the cooling module troubleshooting
procedures in Section 2.11.