Apple M9628LL Service Guide - Page 159

The latching mechanism that holds the display closed is not working

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The latching mechanism that holds the display closed is not working Note: As the display closes against the top case, a hook in the top of the display housing should be magnetically pulled down into a slot in the top case, and secured. When the latch button is pushed, the hook should release and retract into the display housing, allowing the display to open. 1. Verify hook operation by exercising the latch mechanism. 2. If the hook does not operate properly, replace the display assembly. 3. If the latch or latch button does not operate properly, replace the top case assembly. AirPort Extreme Card installed and received a -3278 error 1. Check to make sure using the latest version of AirPort software. 2. Completely shut down, then press the power button to start the computer. 3. Reseat AirPort Extreme Card and make sure AirPort antenna cable is fully connected. 4. Remove and reinstall the AirPort software. 5. Replace with known-good AirPort Extreme Card. 6. Replace logic board. Symptom Charts iBook G4 (14.1 LCD) Troubleshooting - 13

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iBook G4 (14.1 LCD) Troubleshooting -
13
Symptom Charts
The latching mechanism that holds the display closed is not working
Note:
As the display closes against the top case, a hook in the top of the display housing
should be magnetically pulled down into a slot in the top case, and secured. When the
latch button is pushed, the hook should release and retract into the display housing,
allowing the display to open.
1.
Verify hook operation by exercising the latch mechanism.
2.
If the hook does not operate properly, replace the display assembly.
3.
If the latch or latch button does not operate properly, replace the top case assembly.
AirPort Extreme Card installed and received a -3278 error
1.
Check to make sure using the latest version of AirPort software.
2.
Completely shut down, then press the power button to start the computer.
3.
Reseat AirPort Extreme Card and make sure AirPort antenna cable is fully connected.
4.
Remove and reinstall the AirPort software.
5.
Replace with known-good AirPort Extreme Card.
6.
Replace logic board.