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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-28 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Procedure 3 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 perform
these tests.
1. System test
2. Memory test
3. Keyboard test
4. Display test
5. Floppy Disk test
6. Printer test
7. Async test
8. Hard Disk test
9. Real Timer test
10. NDP test
11. Expansion test
12. CD-ROM/DVD-ROM test
13. Only One test
14. Wireless LAN test
15. LAN/Modem/Bluetooth/IEEE1394 test
16. Sound test
If an error is detected during these tests, go to Procedure 4.
Procedure 4 Replacement Check
The system board may be damaged. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures and replace the system board with a new
one.