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2.2 Troubleshooting Flowchart 2 Troubleshooting Procedures
PORTEGE A100 Maintenance Manual (960-460) 2-5
If the diagnostics program cannot detect an error, the problem may be intermittent. The Test
program should be executed several times to isolate the problem. Check the Log Utilities
function to confirm which diagnostic test detected an error(s), then perform the appropriate
troubleshooting procedures as follows:
1. If an error is detected on the System test, Memory test, ASYNC test, Real timer test,
NDP test or expansion test, perform the System Board Troubleshooting Procedures in
Section 2.4.
2. If an error is detected on the Floppy Disk test, perform the USB FDD Troubleshooting
Procedures in Section 2.5.
3. If an error is detected on the Hard disk test, perform the HDD Troubleshooting
Procedures in Section 2.6.
4. If an error is detected on the Keyboard test, perform the Keyboard Troubleshooting
Procedures in Section 2.7.
5. If an error is detected on the Display test, perform the Display Troubleshooting
Procedures in Section 2.8.
6. If an error is detected on the Optical drive test, perform the Optical drive
Troubleshooting Procedures in Section 2.9.
7. If an error is detected on the Touch pad test, perform the Touch pad Troubleshooting
Procedures in Section 2.10.
8. If an error is detected on the Modem test, perform the Modem Troubleshooting
Procedures in Section 2.11.
9. If an error is detected on the LAN test, perform the LAN Troubleshooting Procedures
in Section 2.12.
10. If an error is detected on the Sound test, perform the Sound Troubleshooting
Procedures in Section 2.13.
11. If an error is detected on the SD Card Slot test, perform the SD card Slot
Troubleshooting Procedures in Section 2.14.
12. If an error is detected on the Wireless LAN test, perform the Wireless LAN
Troubleshooting Procedures in Section 2.15.
13. If an error is detected on the Bluetooth test, perform the Bluetooth Troubleshooting
Procedures in Section 2.16.