Toshiba satellite a20 series Benutzerhandbuch
2.12 Sound Troubleshooting
2 Troubleshooting Procedures
2.4 System
Board
Troubleshooting
This section describes how to determine if the system board is defective or not functioning
properly. Start with Procedure 1 and continue with the other procedures as instructed. The
procedures described in this section are:
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: Printer Port LED Check on Boot Mode
Procedure 3: Diagnostic Test Program Execution Check
Procedure 4: Replacement Check
Procedure 2: Printer Port LED Check on Boot Mode
Procedure 3: Diagnostic Test Program Execution Check
Procedure 4: Replacement Check
Satellite A20 Maintenance Manual (960-444)
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