User Guide

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