Toshiba Satellite A105-S4547 Maintenance Manual page 41

2 Troubleshooting
Chapter 2 Contents
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
2.5 2.5-inch HDD ....................................................................................................... 2-12
Procedure 1 Message Check ......................................................................... 2-12
Procedure 2 Partition Check .......................................................................... 2-12
Procedure 3Format Check.............................................................................. 2-14
Procedure 4Test Program Check ................................................................... 2-15
Procedure 5Connector Check and Replacement Check................................. 2-16
2.6 Keyboard .............................................................................................................. 2-17
Procedure 1 Test Program Check .................................................................. 2-17
Procedure 2 Connector Check and Replacement Check................................ 2-17
2.7 Display.................................................................................................................. 2-18
Procedure 1External Monitor Check ............................................................. 2-18
Procedure 2Test Program Check ................................................................... 2-18
Procedure 3Connector Check and Replacement Check................................. 2-18
2.8 ODD (Optical Disk Drive) ................................................................................... 2-20
Procedure 1ODD Cleaning Check ................................................................. 2-20
Procedure 2Test Program Check ................................................................... 2-20
Procedure 3Connector Check and Replacement Check................................. 2-20
2.9 LAN ...................................................................................................................... 2-22
Procedure 1Test Program Check ................................................................... 2-22
Procedure 2Connector Check and Replacement Check................................. 2-22
2.10 SD/MS/MS pro/MMC/XD Card(Optional).......................................................... 2-23
Procedure 1Test Program Check ................................................................... 2-23
2-ii
Replacement Check ................................................................ 2-11
Satellite A100/A105 / TECRA A7 Maintenance Manual