Toshiba L600D 用户手册

        

To check if the computer’s keyboard is malfunctioning or not, follow the troubleshooting 
procedures below as instructed. 

Procedure 1:  Diagnostic Test Program Execution Check 

Procedure 2:  Connector and Replacement Check 

Execute the Keyboard Test (DIAGNOSTIC TEST) and Pressed key display test in the 
Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more information on how 
to perform the test program. 

If an error occurs, go to Procedure 2. If an error does not occur, keyboard is functioning 
properly.