Procedure 2 Test Program Check; Procedure 3 Replacement Check - Toshiba Satellite L630 Maintenance Manual

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