2 Troubleshooting Procedures
2-iv PORTEGE M300 Maintenance Manual (960-504)
2.9 Display Troubleshooting..........................................................................................2-42
Procedure 1 External Monitor Check ............................................................2-42
Procedure 2 Diagnostic Test Program Execution Check .............................. 2-42
Procedure 3 Connector and Cable Check ......................................................2-43
Procedure 4 Replacement Check ...................................................................2-44
2.10 Optical drive Troubleshooting................................................................................. 2-45
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-45
Procedure 2 Connector Check and Replacement Check ............................... 2-45
2.11 Modem Troubleshooting..........................................................................................2-46
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-46
Procedure 2 Connector Check and Replacement Check ............................... 2-46
2.12 LAN Troubleshooting.............................................................................................. 2-48
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-48
Procedure 2 Connector Check and Replacement Check ............................... 2-48
2.13 Wireless LAN Troubleshooting............................................................................... 2-49
Procedure 1 Transmitting-Receiving Check ................................................. 2-49
Procedure 2 Antenna Connection Check....................................................... 2-50
Procedure 3 Replacement Check ...................................................................2-51
2.14 Bluetooth Troubleshooting...................................................................................... 2-52
Procedure 1 Transmitting-Receiving Check ................................................. 2-52
Procedure 2 Antenna Connection Check....................................................... 2-53
Procedure 3 Replacement Check ...................................................................2-54
2.15 Sound Troubleshooting............................................................................................ 2-55
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-55
Procedure 2 Connector Check .......................................................................2-55
Procedure 3 Replacement Check ...................................................................2-56