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Chapter 2 Troubleshooting Procedures
Satellite L600D/L640D/L645D, Satellite Pro L600D/Pro L640D/Pro L645D Maintenance Manual (960-Q08)
2.4 System Board Troubleshooting
This section describes how to determine if the system board is malfunctioning or not. 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