"No airport card installed" on Air, hardware or software problem?


macrumors regular
Original poster
Apr 3, 2011
Out of nowhere, the Air lost the airport card.

Did a quick search, realized that is a rather common problem.
Tried the usual resetting and etc, didn't work.
Thinking maybe it's a hardware failure, I was about to take the back cover off and re-secure the airport card.
Before I got the chance to do so, the airport worked after a random restart.
It lost it again after another restart.

Question is:
If the airport showed up once, does it mean it's longer a hardware issue?
If its software issue, what's the fix? I really don't want to bother with reinstalling OS.

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