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2 Troubleshooting Procedures
2-18 [CONFIDENTIAL] Satellite M500/M505/M507 Maintenance Manual
2.4 Main Board Troubleshooting
This section describes how to determine if the main board and CPU are defective or not
functioning properly. 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: Diagnostic Test Program Execution Check
Procedure 3: Replacement Check