Toshiba A100 Chapter 2 Contents

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