Procedure 2 Diagnostic Test Program Execution Check; Procedure 3 Replacement Check; Procedure 3; Diagnostic Test Program Execution Check - Toshiba Satellite L640 Maintenance Manual

Chapter 2 Troubleshooting Procedures
Procedure 2

Diagnostic Test Program Execution Check

Execute the following tests from the Diagnostic Test Menu. These tests check the system
board. Refer to Chapter 3, Tests and Diagnostic, for more information on how to p
these tests.
1. System test
2. Memory test
3. Keyboard test
4. Display test
5. Hard Disk test
6. CPU Temperature test
7. Ma in Battery test
8. BIO S test
9. CD -ROM/DVD-ROM test
10. Sys tem Status LED test
11. Wi reless LAN test
12. LA N/Modem/Sound test
13. UUID test-DMI Information (Write DMI)
If an error is detected during these tests, go to Procedure 3.

Procedure 3

Replacement Check

System board may be faulty. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures and replace system board with a new one.
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
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