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Troubleshooting Procedures
2.4.3 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 | [It is not supported] |
7.Async test
8.Hard Disk test
9.Real Timer test
10.NDP test
11.Expansion test
12.
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.
2.4.4 Procedure 4 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.
[CONFIDENTIAL] | PORTEGE M780 Maintenance Manual |