Satellite U840
Maintenance Manual (960-Q08)
Chapter 2
Contents
2.1
Troubleshooting .............................................................................................................1
2.2
Troubleshooting Flowchart ............................................................................................3
2.3
Power Supply Troubleshooting......................................................................................7
Procedure 1
Power Status Check ...................................................................7
Procedure 2
Connection Check ......................................................................9
Procedure 3
Charging Check .........................................................................9
Procedure 4
Replacement Check .................................................................1
1
2.4
System Board Troubleshooting....................................................................................1
2
Procedure 1
Message Check ........................................................................1
3
Procedure 2
Debugging Port Check .............................................................1
4
Procedure 3
Replacement Check .................................................................14
2.5
USB FDD Troubleshooting .........................................................................................15
Procedure 1
FDD Head Cleaning Check .....................................................15
Procedure 2
Diagnostic Test Program Execution Check .............................16
Procedure 3
Connector Check and Replacement Check ..............................17
2.6
SSD/2.5” HDD Troubleshooting .................................................................................19
Procedure 1
Partition Check.........................................................................19
Procedure 2
Message Check ........................................................................20
Procedure 3
Format Check ...........................................................................21
Procedure 4
Diagnostic Test Program Execution Check .............................22
Procedure 5
Connector Check and Replacement Check ..............................23
2.7
Keyboard Troubleshooting ..........................................................................................24
Procedure 1
Diagnostic Test Program Execution Check .............................24
Procedure 2
Connector Check and Replacement Check ..............................25
2.8
Touch pad Troubleshooting .........................................................................................26
Procedure 1
Diagnostic Test Program Execution Check .............................26
Procedure 2
Connector Check and Replacement Check ..............................27
Содержание Satellite U840 Series
Страница 1: ...Satellite U840 Maintenance Manual 960 Q08 Chapter 1 Hardware Overview ...
Страница 18: ...Chapter 1 Hardware Overview Satellite U840 Maintenance Manual 960 Q08 15 ...
Страница 24: ...2 1 Satellite U840 Maintenance Manual 960 Q08 Chapter 2 Troubleshooting Procedures ...
Страница 63: ...Test Program for Field Satellite U840 Tests and Diagnostics Manual 1 Chapter 3 Diagnostic Programs ...
Страница 190: ...Satellite U840 Maintenance Manual 960 Q08 Appendix B Appendix B Board Layout B 1 System Board ...
Страница 191: ...Board Layout Satellite U840 Maintenance Manual 960 Q08 Figure B 1 System board layout Front 02 01 03 04 05 06 07 08 09 ...