Table of Contents
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Chapter 2
2.1
Troubleshooting ......................................................................................................... 2-1
2.2
Troubleshooting Flowchart........................................................................................ 2-2
2.3
Power Supply Troubleshooting.................................................................................. 2-6
2.4
System Board Troubleshooting................................................................................ 2-16
2.5
USB 3.5" FDD Troubleshooting.............................................................................. 2-32
2.6
2.5" HDD Troubleshooting...................................................................................... 2-35
2.7
Keyboard Troubleshooting ...................................................................................... 2-40
Satellite R20/TECRA M7 Maintenance Manual (960-572)
Contents
Power Supply Icon Check...................................................... 2-7
Error Code Check .................................................................. 2-9
Connection Check................................................................ 2-14
Quick Charge Check ............................................................ 2-15
Replacement Check ............................................................. 2-15
Message Check .................................................................... 2-17
Debug Port (D port) Check on Boot Mode.......................... 2-19
Diagnostic Test Program Execution Check ......................... 2-31
Replacement Check ............................................................. 2-31
FDD Head Cleaning Check ................................................. 2-32
Diagnostic Test Program Execution Check ......................... 2-33
Connector Check.................................................................. 2-34
Replacement Check ............................................................. 2-34
Partition Check..................................................................... 2-35
Message Check .................................................................... 2-36
Format Check....................................................................... 2-37
Diagnostic Test Program Execution Check ......................... 2-38
Connector Check and Replacement Check.......................... 2-39
Diagnostic Test Program Execution Check ......................... 2-40
2 Troubleshooting
[CONFIDENTIAL]
2-iii
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Chapters
Table of Contents
Troubleshooting
