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WiFi: "No hardware installed" after switching logic board.

Hi, I was gifted a busted up A1260 with a damaged display panel and keyboard. I bought another A1260 with a faulty logic board (needs a GPU reflow), new display panel and I/O board.

After switching out the logic board for the one from the busted up A1260, I cannot get OS X to see the Broadcom wireless. Bluetooth works, so the 'Airport' card is being picked up. WiFi was fine on the busted up MacBook, so I tried switching out the airport card, but no dice. Both OS X 10.10 on the hard drive from the busted up MacBook and 10.9.3 on the hard drive from the purchased MacBook report the same problem.

I'm guessing I've not connected something back up correctly, but what could it be? Bit of a newb scratching my head here... ;-)

Answer this question I have this problem too

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Contact your vendor. The used board may have a bad airport connector since a known good card does not show up in hardware (check using system profiler).

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I had the same problem after i had to remove the motherboard because when i was putting the casing back together, i accidentally put a small screw in the DVI port and had to get it back out.. Long story short, after hours of trying to figure out what was wrong with the wifi, i noticed that one of the 4 pin cables was unplugged. When i placed the motherboard back in the housing, the cable actually got tucked underneath the board. Its the one nearest to where the touch pad would would be, just left of the memory slots. Make sure that little 4 pin cable is plugged in or your wifi wont get power.

After i plugged cable back in i rebooted and there it was again!

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Nathan Hulse will be eternally grateful.
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