Main Board Troubleshooting - Toshiba Portege 2000 Maintenance Manual

2.4 Main board Troubleshooting

2.4 Main board Troubleshooting
This section describes how to determine if the main board is defective. Start with Procedure 1
and continue with the other procedures as instructed. The procedures described in this section
are:
Procedure 1: Message Check
Procedure 2: Debug port (D port) Check on Boot Mode
Procedure 3: Diagnostic Test Program Execution Check
Procedure 4: Replacement Check
Portege 2000 Maintenance Manual (960-333)
2 Troubleshooting
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