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2 Troubleshooting
Procedure 4 Test Program Check ................................................................. 2-13
Procedure 5 Connector Check and Replacement Check............................... 2-14
2.6 Keyboard .............................................................................................................. 2-15
Procedure 1 Test Program Check ................................................................. 2-15
Procedure 2 Connector Check and Replacement Check............................... 2-15
2.7 Display.................................................................................................................. 2-16
Procedure 1 External Monitor Check ........................................................... 2-16
Procedure 2 Test Program Check ................................................................. 2-16
Procedure 3 Connector Check and Replacement Check............................... 2-16
2.8 ODD (Optical Disk Drive) ................................................................................... 2-18
Procedure 1 ODD Cleaning Check............................................................... 2-18
Procedure 2 Test Program Check ................................................................. 2-18
Procedure 3 Connector Check and Replacement Check............................... 2-18
2.9 LAN...................................................................................................................... 2-20
Procedure 1 Test Program Check ................................................................. 2-20
Procedure 2 Connector Check and Replacement Check............................... 2-20
2.10 SD/MS/SM/MMC/XD Card(Optional)................................................................ 2-21
Procedure 1 Test Program Check ................................................................. 2-21
Procedure 2 Connector Check ...................................................................... 2-21
2.11 Parallel Port(Optional) ......................................................................................... 2-22
Procedure 1 Test Program Check ................................................................. 2-22
Procedure 2 Connector Check ...................................................................... 2-22
2.12 Audio Test ............................................................................................................ 2-23
Procedure 1 Test Program Check ................................................................. 2-23
Procedure 2 Connector Check and Replacement Check............................... 2-23
2.13 IEEE 1394 Test(Optional).................................................................................... 2-24
Procedure 1 Test Program Check ................................................................. 2-24
Procedure 2 Connector Check ...................................................................... 2-24
2.14 Cooling Module.................................................................................................... 2-25
Procedure 1 Test Program Check ................................................................. 2-25
Procedure 2 Connector Check and Replacement Check............................... 2-25
Satellite M40/M45 TECRA A4 dynabook Vx/4 Maintenance Manual 2-iii