![Toshiba Satellite U840 Series Maintenance Manual Download Page 26](http://html.mh-extra.com/html/toshiba/satellite-u840-series/satellite-u840-series_maintenance-manual_1136548026.webp)
Satellite U840
Maintenance Manual (960-Q08)
2-3
2.9
Display Troubleshooting ..............................................................................................28
Procedure 1
External Monitor Check ...........................................................28
Procedure 2
Diagnostic Test Program Execution Check .............................28
Procedure 3
Connector and Cable Check.....................................................29
Procedure 4
Replacement Check .................................................................30
2.10 LAN Troubleshooting ..................................................................................................31
Procedure 1
Diagnostic Test Program Execution Check .............................31
Procedure 2
Connector Check and Replacement Check ..............................31
2.11
Wireless LAN Troubleshooting ...................................................................................32
Procedure 1
Transmitting-Receiving Check ................................................32
Procedure 2
Antennas' Connection Check ...................................................33
Procedure 3
Replacement Check .................................................................34
2.12
Sound Troubleshooting ................................................................................................35
Procedure 1
Connector Check ......................................................................35
Procedure 2
Replacement Check .................................................................36
Summary of Contents for Satellite U840 Series
Page 1: ...Satellite U840 Maintenance Manual 960 Q08 Chapter 1 Hardware Overview ...
Page 18: ...Chapter 1 Hardware Overview Satellite U840 Maintenance Manual 960 Q08 15 ...
Page 24: ...2 1 Satellite U840 Maintenance Manual 960 Q08 Chapter 2 Troubleshooting Procedures ...
Page 190: ...Satellite U840 Maintenance Manual 960 Q08 Appendix B Appendix B Board Layout B 1 System Board ...