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2 Troubleshooting Procedures
2.8 Display Troubleshooting.......................................................................................... 2-44
Procedure 1 External Monitor Check............................................................ 2-44
Procedure 2 Diagnostic Test Program Execution Check .............................. 2-44
Procedure 3 Connector and Cable Check...................................................... 2-45
Procedure 4 Replacement Check................................................................... 2-46
2.9 Optical Drive Troubleshooting ................................................................................ 2-47
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-47
Procedure 2 Connector Check and Replacement Check ............................... 2-48
2.10 Modem Troubleshooting.......................................................................................... 2-49
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-49
Procedure 2 Connector Check and Replacement Check ............................... 2-50
2.11 LAN Troubleshooting.............................................................................................. 2-51
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-51
Procedure 2 Connector Check and Replacement Check ............................... 2-51
2.12 Wireless LAN Troubleshooting............................................................................... 2-52
Procedure 1 Transmitting-Receiving Check ................................................. 2-52
Procedure 2 Antennas' Connection Check .................................................... 2-53
Procedure 3 Antenna Check .......................................................................... 2-54
Procedure 4 Replacement Check................................................................... 2-55
2.13 Sound Troubleshooting............................................................................................ 2-56
Procedure 1 Diagnostic Test Program Execution Check .............................. 2-56
Procedure 2 Connector Check....................................................................... 2-57
Procedure 3 Replacement Check................................................................... 2-58
2.14 SD Card Slot Troubleshooting................................................................................. 2-59
Procedure 1 Check on Windows ................................................................... 2-59
Procedure 2 Connector/Replacement Check................................................ 2-59
2-iv Satellite A40 Maintenance Manual (960-458)