Troubleshooting | Symptom Charts/Peripherals - 28 | |
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Peripherals
Cursor does not move when you are using trackball
1Simultaneously press <Command> <Control> <Power On> keys to reset computer.
2Clean ball and rollers of trackball.
3Make sure display switch cable and battery cable are not impeding trackball.
4Check logic board cable connections.
5Replace trackball.
6Replace logic board.
Note: When replacing the logic board, check that the EMI clips are securely attached to the CPU stiffener. The “CPU Stiffener” topic in Take Apart helps you locate and identify the two EMI clips. If both clips are not secure, replace the CPU stiffener.
