Troubleshooting | Symptom Charts/Peripherals (Continued) - 30 | |
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Peripherals (Continued)
Cursor moves, but clicking trackball button has no effect
1Simultaneously press <Command> <Control> <Power On> keys to reset computer.
2Check logic board cable connections.
3Replace trackball.
4Replace 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.
