Compal ACY25 series, Service Manual

Page: 139 / 175

To determine if the computer’s built-in Touch Pad is functioning properly, perform the
following procedures. Figure 6-9 outlines the process. Start with Procedure 1 and continue
as instructed.
Procedure 1: Touch Pad connection check
Procedure 2: Touch Pad replacement check
Procedure 1 Touch Pad connection check
The Touch Pad is connected by the Touch Pad FPC to the system board. Make sure the
Touch Pad FPC cable is firmly connected to the Touch Pad and system board.
Replacement
Procedures, for instructions on how to disassemble the computer and then perform the
following checks.
If any of the connections are loose, reconnect firmly. If any of the connections is damaged,
or there is still an error, go to Procedure 2.
Procedure 2 Touch Pad replacement check
The Touch Pad unit or FPC may be defective or damaged.
Chapter
6-22