Toshiba A3X manual Touch Pad Troubleshooting Troubleshooting Procedures

2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures

2.9Touch Pad Troubleshooting

To determine whether the Touch Pad is faulty or not, perform the following procedures:

Procedure 1: Diagnostic Test Program Execution Check

Procedure 2: Connector and Cable Check

Procedure 1 Diagnostic Test Program Execution Check

Execute the Touch pad test (ONLY ONE 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, touch pad is functioning properly.

Procedure 2 Connector Check & Replacement Check

Check 1 Make sure the touch pad cable is firmly connected to the system board.

Touch pad

<System board> CN3240

If the connection is loose, reconnect firmly and repeat Procedure 1. If there is still an error, go to Check 2.

Check 2 The touch pad or touch pad cable may be damaged. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. If the problem still exists, perform Check 3.

Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures.

Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-41