Toshiba F45, PQF46X, PQF47X

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 1 Message Check........................................................................... 2-9

Procedure 2 Test Program Check .................................................................2-10

Procedure 3 Replacement Check.................................................................. 2-10

2.5 HDD..................................................................................................................... 2-11

Procedure 1 Message Check......................................................................... 2-11

Procedure 2 Partition Check......................................................................... 2-11

Procedure 3 Format Check............................................................................2-12

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-ii Qosmio F40/F45 Maintenance Manual