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iMac G5 (20-inch iSight) Troubleshooting — Symptom Charts 167
AirPort signal seems to be very weak
Check the antenna. If the antenna is not plugged in all the way to the AirPort/Bluetooth 1.
combo card, AirPort range may be very short.
Remove the front bezel, lower EMI shield, right speaker, and the combo card mounting screw.
Disconnect and turn over the combo card, and reconnect the antenna cables to the card.
Press the antenna connector rmly to make sure it’s fully connected to the card. Replace the
cover and reconnect the power cord.
Try connecting to a wireless access point. Did reception improve? 2.
Yes: Problem resolved. It looks like the antenna was not plugged in all the way.
No: The AirPort/Bluetooth card is connected properly and recognized, but there are
a number of other things that could cause issues with wireless networking. Refer to
Knowledge Base document 106858 for more networking information.
Replace the AirPort/Bluetooth card.3.
Replace the antenna.4.
Replace the logic board.5.