Specifications
Troubleshooting Symptom Charts/Misc. Symptoms - 12
AirPort 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 Card and make sure AirPort antenna cable is
fully connected.
4 Remove and reinstall the AirPort software.
5 Replace with known-good AirPort Card.
6 Replace logic board.