Touch Pad - Toshiba Portege 2000 Maintenance Manual

2 Troubleshooting Procedures
2.9

Touch Pad

To determine whether the Touch Pad is faulty or not, perform the following procedures:
Procedure 1 Diagnostic Test Program Execution Check
Procedure 2 Connector checking and replacement checking
Procedure 3: Replacement Check
Procedure 1 Diagnostic Test Program Execution Check
Execute the keyboard test program, or maintenance test program, because the pointing device
test program is a component of the keyboard test program. For the operating procedure, see
Chapter 3.
If any error is detected, perform Procedure 2. The pointing device is operating normally if no
error is detected.
Procedure 2 Connector checking and replacement checking
The touch pad is connected to the main board (PJ334) with a flexible cable. This cable may
have come off the connector or the connector may have come off the main board. Disassemble
the computer and check the cable connections. See Chapter 4 for the disassembly procedure.
If the connector has come off, connect firmly and make sure the operation. If there is still an
error, go to Procedure 3.
Touch Pad
Procedure 3 Replacement Check
The touch pad may be damaged. Replace the touch pad.
2-38
Main board
PJ334
Portege 2000 Maintenance Manual (960-333)
2.9 Touch Pad