Toshiba PRO L640 Personal Computer User Manual


 
Chapter 2 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 stem 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.
Make sure keyboard cable is firmly connected to sy
Key Board
CN1
System Board
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
