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| Troubleshooting |
| Symptom Charts/Peripherals - 23 | |
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| moves, but | 1 | Reset power manager. |
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Cursor | |||||
clicking trackpad | 2 | Clean trackpad connections. | |||
button has no effect | 3 | Check keyboard and logic board connections. | |||
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| 4 | Examine trackpad ∑∑button for damage. If OK, reseat and | |
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| 5 | try again. If ∑∑button still fails, replace it. | |
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| Replace trackpad. | ||
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| 6 | Replace keyboard. | |
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| 7 | Replace logic board. | |
Note: When replacing the logic board, check that the serial port EMI clip is attached to the bottom of the CPU stiffener. If it is missing, replace the stiffener. On international units, also replace the stiffener if the modem EMI clip is missing. The “CPU Stiffener” topic in Take Apart helps you locate and identify the two EMI clips.
