Keyboard Troubleshooting - Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual

2.7 Keyboard Troubleshooting

2.7 Keyboard Troubleshooting
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
Procedure 1 Diagnostic Test Program Execution 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.
Satellite A20 Maintenance Manual (960-444)
2 Troubleshooting Procedures
2-41