Toshiba Tecra A2-S239 Maintenance Manual - Page 96

2 Troubleshooting Procedures 2.9 Touch Pad Troubleshooting 2.9 Touch 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 3: Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the Touch Pad Test in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics for more information on how to perform the test program. If any error is detected, perform Procedure 2. Procedure 2 Connector and Cable Check The touch pad is connected to the system board with a cable respectively. The cable may have come off the connector or the connector may have come off the system board. Disassemble the computer and check the cable connections. See Chapter 4 for the disassembly procedure. If there is still an error, go to Procedure 3. Procedure 3 Replacement Check The touch pad may be damaged. Disassemble the computer and replace the touch pad with a new one. 2-42 Satellite A50/TECRA A2 Maintenance Manual (960-478)