Toshiba Satellite U400 - Page 7

Satellite U400/Satellite Pro U400/PORTEGE M800  Maintenance Manual 7
Procedure 2 Debugging Port Check............................................................ 16
Procedure 3 Diagnostic Test Program Execution Check............................ 21
Procedure 4 Replacement Check ................................................................ 21
2.5 USB FDD Troubleshooting ........................................................................................ 22
Procedure 1 FDD Head Cleaning Check .................................................... 22
Procedure 2 Diagnostic Test Program Execution Check............................ 23
Procedure 3 Connector Check and Replacement Check............................. 24
2.6 2.5” HDD Troubleshooting......................................................................................... 26
Procedure 1 Partition Check........................................................................ 26
Procedure 2 Message Check ....................................................................... 27
Procedure 3 Format Check.......................................................................... 28
Procedure 4 Diagnostic Test Program Execution Check............................ 29
Procedure 5 Connector Check and Replacement Check............................. 30
2.7 Keyboard Troubleshooting ......................................................................................... 31
Procedure 1 Diagnostic Test Program Execution Check............................ 31
Procedure 2 Connector Check and Replacement Check............................. 32
2.8 Touch pad Troubleshooting........................................................................................ 33
Procedure 1 Diagnostic Test Program Execution Check............................ 33
Procedure 2 Connector Check and Replacement Check............................. 34