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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