2 Troubleshooting Procedures
Satellite U840
Maintenance Manual (960-Q08)
18
Check 2
USB FDD may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3
Connect USB FDD to each port embedded on system board.
If it does not work properly when connected to USB board CN3, CN4, perform
Check 4. If it does not work properly when connected to System board CN7 and
USB board CN3, CN4, perform Check 5.
Check 4
USB board may be faulty. Replace it with a new one following the steps in
Chapter 4, Replacement Procedures.
Check 5
System board may be faulty. Replace it with a new one following the steps in
Chapter 4, Replacement Procedures.
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 ...