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2 Troubleshooting Procedures
Chapter 2 Contents
2.1 Troubleshooting......................................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................ 2-2
2.3 Power Supply Troubleshooting.................................................................................. 2-6
Procedure 1 Power Status 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 Check on Boot Mode........................................ 2-19
Procedure 3 Diagnostic Test Program Execution Check ......................... 2-27
Procedure 4 Replacement Check ............................................................. 2-27
2.5 USB 3.5” FDD Troubleshooting.............................................................................. 2-28
Procedure 1 FDD Head Cleaning Check ................................................. 2-28
Procedure 2 Diagnostic Test Program Execution Check ......................... 2-29
Procedure 3 Connector Check and Replacement Check.......................... 2-30
2.6 1.8” HDD Troubleshooting...................................................................................... 2-31
Procedure 1 Partition Check..................................................................... 2-31
Procedure 2 Message Check .................................................................... 2-32
Procedure 3 Format Check....................................................................... 2-33
Procedure 4 Diagnostic Test Program Execution Check ......................... 2-34
Procedure 5 Connector Check and Replacement Check.......................... 2-35
2.7 Keyboard Troubleshooting ...................................................................................... 2-36
Procedure 1 Diagnostic Test Program Execution Check ......................... 2-36
Procedure 2 Connector Check and Replacement Check.......................... 2-36
PORTEGE R100 Maintenance Manual (960-440) 2-iii