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I have an Powermac G5 with the single core. I have installed the antennae to the back of the machine and I have put the airport extreme card in. It will not recognize the airport card in the apple software(My powermac G5 runs OS X Panther.

The PowerMac and iMac G5 are two different types of machines. Please go here and see if it is the first link or one from the second link. https://everymac.com/systems/apple/imac/https://everymac.com/systems/apple/power… Is this the antennae you used? http://www.macpartsdepot.com/922-6043-ai

Which airport did you use: airport extreme card UPDATE I’ve updated your icon and question description FYI here’s the Bluetooth module

https://www.macpartsdepot.com/603-3421-9… This model used the Apple part# 661-3045

http://www.powerbookmedic.com/parts/661-… Here’s a video on how to install the card. Be sure to plug the antennae cable into it! https://www.youtube.com/watch?v=gVGOpCST… Now go to your System Preferences and make sure it sees it and is turned on.