2 Troubleshooting Procedures
Satellite U840
Maintenance Manual (960-Q08)
17
Procedure 3
Connector Check and Replacement Check
USB FDD is connected to USB port on system board and USB board. USB board is also
connected to system board by cable. The connection of cable and board may be defective.
Otherwise, they may be faulty. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures and perform the following checks.
USB FDD can be connected to the following 3 ports on system board.
Check 1
Make sure USB FDD is firmly connected to USB port. If the connection is loose,
connect firmly and repeat Procedure 2. If the problem still occurs, go to Check 2.
NOTE: When checking the connection, be sure to check it with care for the followings.
1.
Cable can not be disconnected from the connector.
2.
Cable is connected straight to the connector.
3.
Cable is connected all the way seated in the connector.
4.
Cable can not be broken.
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 ...