22 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts
AirPort Extreme Card

AirPort Extreme Card not recognized

1. In Mac OS X, use Software Update in system preferences or see the Apple Software
Updates web page to make sure the latest version of AirPort Extreme software is
installed.
2. Restart the computer.
3. Open AirPort in system preferences and make sure AirPort is on and Base Station is
selected.
4. Check the AirPort Extreme Card flex cable connection to the logic board.
5. Remove and reinstall the AirPort Extreme software.
6. Replace with known-good AirPort Extreme Card.
7. Replace logic board.

AirPort connection is slow

1. Move computer closer to AirPort Base Station or other AirPort device.
2. Too many users are accessing network at the same time causing heavy network
traffic. To improve network connection speed, add additional AirPort Base Stations.
3. Check for other changes in the environment that may cause interference with the
AirPort signal.
4. Use Software Update in system preferences or see the Apple Software Updates web
page to make sure the latest version of AirPort Extreme software is installed.
5. Restart the computer.
6. Check the AirPort Extreme Card flex cable connection to the logic board.
7. Check the connection on both ends of the AirPort Extreme Card antenna jumper
cable, if loose, reconnect and test again.
8. Check the AirPort Extreme Card antenna jumper cable for damaged insulation or a
crimped cable. If bad, replace antenna jumper cable.
9. Replace with known-good AirPort Extreme Card.
10. Check AirPort Extreme antenna wire coming from display panel for nicked insulator or
crimped wire. If bad, replace display panel assembly.
11. Replace logic board.