2 Troubleshooting Procedures
Procedure 2 Connector and Replacement Check
The connection of cable and board may be defective. Otherwise, they may be faulty. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure the cable is firmly connected to system board.
If the connection is loose, reconnect firmly and repeat Procedure 1. If the problem still occurs, go to Check 2.
Check 2 Touch Pad or the cable may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3.
Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures
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