Chapter2 Troubleshooting Procedures
Procedure 2
Connector and Replacement Check
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:
Check 1
Make sure keyboard cable is firmly connected to system board.
If the connection is loose, reconnect firmly and repeat Procedure 1. If the problem
still occurs, go to Check 2.
Check 2
Keyboard may be faulty. Replace it with a new one following the instructions in
Chapter 4,
Replacement Procedures
. If the problem still occurs, perform Check 3.
Check 3
System board may be faulty. Replace it with a new one following the instructions
in Chapter 4,
Replacement Procedures
.
2-32 Satellite U400/Satellite Pro U400/PORTEGE M800
Maintenance Manual
Содержание Satellite Pro U400 Series
Страница 12: ...Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 1 1 Chapter 1 Hardware Overview ...
Страница 15: ...Chapter 1 Hardware Overview 1 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Страница 42: ...Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 2 1 Chapter 2 Troubleshooting Procedures ...
Страница 110: ...Test Program for Field Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 17 ...
Страница 165: ...Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 i Chapter 4 Replacement Procedures ...
Страница 168: ...Replacement Procedures Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 iv ...
Страница 276: ...Pin Assignment 36 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Страница 302: ...Wiring Diagrams F 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...