Toshiba Satellite A40 Series Maintenance Manual page 53

Chapter 2
2.1 Troubleshooting..........................................................................................................2-1
2.2 Troubleshooting Flowchart ........................................................................................2-2
2.3 Power Supply Troubleshooting ..................................................................................2-6
Procedure 1
Procedure 2
Procedure 3
Procedure 4
Procedure 5
2.4 System Board Troubleshooting ................................................................................2-18
Procedure 1
Procedure 2
Procedure 3
Procedure 4
2.5 FDD Troubleshooting...............................................................................................2-34
Procedure 1
Procedure 2
Procedure 3
2.6 HDD Troubleshooting ..............................................................................................2-37
Procedure 1
Procedure 2
Procedure 3
Procedure 4
Procedure 5
2.7 Keyboard Troubleshooting.......................................................................................2-42
Procedure 1
Procedure 2
Satellite A40 Maintenance Manual (960-458)
Contents
Icon Check ...................................................................................2-6
Error Code Check ........................................................................2-8
Connection Check ......................................................................2-15
Charge Check.............................................................................2-16
Replacement Check....................................................................2-17
Message Check ..........................................................................2-19
Printer Port LED Check .............................................................2-21
Diagnostic Test Program Execution Check ...............................2-32
Replacement Check....................................................................2-33
FDD Head Cleaning Check........................................................2-34
Diagnostic Test Program Execution Check ...............................2-35
Connector Check and Replacement Check................................2-36
Message Check ..........................................................................2-37
Partition Check...........................................................................2-38
Format Check.............................................................................2-39
Diagnostic Test Program Execution Check ...............................2-40
Connector Check and Replacement Check................................2-41
Diagnostic Test Program Execution Check ...............................2-42
Connector and Replacement Check ...........................................2-43
2 Troubleshooting Procedures
2-iii