Toshiba satellite a20 series Benutzerhandbuch

To determine if the computer’s keyboard or touch pad is functioning properly, perform the 
following procedures.  Start with Procedure 1 and continue with the other procedures as 
instructed. 

Procedure 1:  Diagnostic Test Program Execution Check 
Procedure 2:  Connector and Replacement Check 

Execute the Keyboard 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, the keyboard is functioning 
properly.