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Chapter-0
Satellite L20 Maintenance Manual (960-Q01) 7
Procedure 1 Message Check ....................................................................... 48
Procedure 2 Debugging Port Check............................................................ 50
Procedure 3 Diagnostic Test Program Execution Check ............................ 56
Procedure 4 Replacement Check ................................................................ 56
2.5 USB FDD Troubleshooting ........................................................................................ 57
Procedure 1 FDD Head Cleaning Check .................................................... 57
Procedure 2 Diagnostic Test Program Execution Check ............................ 58
Procedure 3 Connector Check and Replacement Check............................. 59
2.6 2.5” HDD Troubleshooting......................................................................................... 61
Procedure 1 Partition Check........................................................................ 61
Procedure 2 Message Check ....................................................................... 62
Procedure 3 Format Check.......................................................................... 63
Procedure 4 Diagnostic Test Program Execution Check ............................ 64
Procedure 5 Connector Check and Replacement Check............................. 65
2.7 Keyboard Troubleshooting ......................................................................................... 66
Procedure 1 Diagnostic Test Program Execution Check ............................ 66
Procedure 2 Connector Check and Replacement Check............................. 67
2.8 Touch pad Troubleshooting ........................................................................................ 68
Procedure 1 Diagnostic Test Program Execution Check ............................ 68
Procedure 2 Connector Check and Replacement Check............................. 69