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Toshiba M40 User Manual

Page 43

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2.2 Basic Flowchart

2 Troubleshooting

EQUIUM M40/M45/Satellite M40/M45 Maintenance Manual 2-5

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 IEEE 1394 test, follow the IEEE 1394 troubleshooting

procedures in section 2.11.

9. If an error is detected by the Fan On/Off test, follow the cooling module

troubleshooting procedures in Section 2.12.