Toshiba L635 - page 48

2.4 System Board 2 Troubleshooting
2-9 Satellite/Satellite Pro/L630/L635 Maintenance Manual
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.