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2 Troubleshooting Procedures
PORTEGE A100 Maintenance Manual (960-460) 2-iii
Chapter 2 Contents
2.1 Troubleshooting .........................................................................................................2-1
2.2 Troubleshooting Flowchart........................................................................................2-2
2.3 Power Supply Troubleshooting..................................................................................2-6
Procedure 1 Power Supply Icon Check......................................................2-7
Procedure 2 Error Code Check...................................................................2-9
Procedure 3 Connection Check................................................................2-14
Procedure 4 Quick Charge Check ............................................................2-14
Procedure 5 Replacement Check..............................................................2-15
2.4 System Board Troubleshooting................................................................................2-16
Procedure 1 Message Check ....................................................................2-17
Procedure 2 Debug Port (D port) Check on Boot Mode..........................2-19
Procedure 3 Diagnostic Test Program Execution Check .........................2-28
Procedure 4 Replacement Check..............................................................2-28
2.5 USB 3.5” FDD Troubleshooting..............................................................................2-29
Procedure 1 FDD Head Cleaning Check..................................................2-29
Procedure 2 Diagnostic Test Program Execution Check .........................2-30
Procedure 3 Connector Check and Replacement Check..........................2-31
2.6 2.5” HDD Troubleshooting......................................................................................2-32
Procedure 1 Partition Check.....................................................................2-32
Procedure 2 Message Check ....................................................................2-33
Procedure 3 Format Check.......................................................................2-34
Procedure 4 Diagnostic Test Program Execution Check .........................2-35
Procedure 5 Connector Check and Replacement Check..........................2-36
2.7 Keyboard Troubleshooting ......................................................................................2-37
Procedure 1 Diagnostic Test Program Execution Check .........................2-37
Procedure 2 Connector Check and Replacement Check..........................2-37