2 Troubleshooting2.4 System Board

Procedure 2 Test Program Check

The maintenance test program contains several programs for diagnosing the system board and CPU. Execute the following test programs using the procedures described in Chapter 3.

1.System test

2.Memory test

3.Keyboard test

4.Display test

5.Hard Disk test

6.Mouse test

7.Sound test

8.LAN test

If an error is detected during these tests, go to Procedure 3.

Procedure 3 Replacement Check

The system board, memory, may be defective. Disassemble the computer following the steps described in Chapter 4 and replace the system board, memory module with a new one.

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TOSHIBA NB100 Maintenance Manual

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Toshiba TOSHIBA NB100 manual Troubleshooting2.4 System Board, Procedure 2 Test Program Check