Toshiba Satellite A300-ST3511 Maintenance Manual page 41

2 Troubleshooting
Chapter 2
2.1 Outline.................................................................................................................... 2-1
2.2 Basic Flowchart...................................................................................................... 2-2
2.3 Power Supply ......................................................................................................... 2-6
Procedure 1 Power Icon Check....................................................................... 2-6
Procedure 2 Connection Check....................................................................... 2-8
Procedure 3 Replacement Check .................................................................... 2-8
2.4 System Board ......................................................................................................... 2-9
Procedure 3 Replacement Check ................................................................ 2-10
2.5 HDD ..................................................................................................................... 2-11
Procedure 1 Message Check ......................................................................... 2-11
Procedure 2 Partition Check .......................................................................... 2-11
Procedure 3Format Check.............................................................................. 2-12
Procedure 4Test Program Check ................................................................... 2-13
Procedure 5Connector 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 1External Monitor Check ............................................................. 2-16
Procedure 2Test Program Check ................................................................... 2-16
Procedure 3Connector Check and Replacement Check................................. 2-16
2.8 ODD (Optical Disk Drive) ................................................................................... 2-18
Procedure 1ODD Cleaning Check ................................................................. 2-18
Procedure 2Test Program Check ................................................................... 2-18
Procedure 3Connector Check and Replacement Check................................. 2-18
2.9 LAN...................................................................................................................... 2-20
Procedure 1Test Program Check ................................................................... 2-20
Procedure 2Connector Check and Replacement Check................................. 2-20
2.10 Finger Print(Optional) .......................................................................................... 2-21
Procedure 1Test Program Check ................................................................... 2-21
2-ii Satellite A300/Satellite Pro A300/EQUIUM A300/SATEGO A300 Maintenance Manual
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