Toshiba Satellite A300 Maintenance Manual page 48

2 Troubleshooting
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. ODD test
8. Sound test
9. LAN test
If an error is detected during these tests, go to Procedure 3.
Procedure 3 Replacement Check
The system board, memory, or CPU may be defective. Disassemble the computer following
the steps described in Chapter 4 and replace the system board, memory module or CPU with
a new one.
2-10 Satellite A300/Satellite Pro A300/EQUIUM A300/SATEGO A300 Maintenance Manual
2.4 System Board