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 Replacement Check........................................... 2-45
2.9 CD-RW/DVD, DVD-ROM, DVD-R/RW
and DVD Multi Drive Troubleshooting............................................................... 2-46
Procedure 1 Drive Cleaning Check................................................................ 2-46
Procedure 2 Diagnostic Test Program Execution Check............................... 2-46
Procedure 3 Connector Check and Replacement Check................................ 2-47
2.10 Modem Troubleshooting..........................................................................................2-48
Procedure 1 Diagnostic Test Program Execution Check............................... 2-48
Procedure 2 Connector Check and Replacement Check................................ 2-49
2.11 LAN Troubleshooting.............................................................................................. 2-50
Procedure 1 Diagnostic Test Program Execution Check............................... 2-50
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 Troubleshooting ........................................................................................2-59
Procedure 1 Check on Windows XP Pro/Home ............................................2-59
Procedure 2 Connector/Replacement Check..................................................2-59
2-iv Satellite A20 Maintenance Manual (960-444)