2 Troubleshooting Procedures

2.10 Touch Pad Troubleshooting

2.10 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 Check and 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. The pointing device is operating normally if no error is detected.

Procedure 2 Connector Check and Replacement Check

The touch pad is connected to the system board with a flexib le cable. This 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.

Check 1 Make sure the touch pad cable is securely connected to the connector PJ3240 on the system board.

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 PAD switch 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 ne w one following the instructions in Chapter 4, Replacement Procedures.

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PORTEGE A200 Maintenance Manual (960 -499)

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Toshiba A200 manual Troubleshooting Procedures Touch Pad Troubleshooting