Toshiba M200-ST2002 Maintenance Manual - Page 80

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 Check and Replacement Check Procedure 3: Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the keyboard test program, or maintenance test program, because the pointing device (touch pad) 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 Check and Replacement Check The touch pad is connected to the system board (PJ3240) with a flexible 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. 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 PJ3240 Procedure 3 Replacement Check The touch pad may be damaged. Replace the touch pad. 2-42 Portege M200 Maintenance Manual (960-457)