Toshiba M40 Chapter 2 Contents

2 Troubleshooting

2-ii EQUIUM M40/M45/Satellite M40/M45 Maintenance Manual

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 Replacement Check.................................................................2-10

2.5 2.5-inch 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 Audio Test............................................................................................................2-21

Procedure 1 Test Program Check .................................................................. 2-21