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Use this guide to replace the AirPort/Bluetooth card.
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crwdns2935267:0crwdne2935267:0P5 Pentalobe Screwdriver Retina MacBook Pro and Air$5.99
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Use a P5 Pentalobe driver to remove ten screws securing the lower case, of the following lengths:
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Two 9 mm screws
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Eight 2.6 mm screws
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Wedge your fingers between the display and the lower case and pull upward to pop the lower case off the Air.
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Remove the lower case and set it aside.
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Grab the clear plastic pull tab attached to the battery connector and pull it parallel to the board toward the front edge of the Air.
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Use the flat end of a spudger to pry both antenna connectors up from their sockets on the AirPort/Bluetooth card.
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Remove the single 2.9 mm T5 Torx screw securing the AirPort/Bluetooth card to the logic board.
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Slightly lift the free end of the AirPort/Bluetooth card and pull it out of its socket on the logic board.
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Remove the AirPort/Bluetooth card from the Air.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Very helpful! Tweezers were helpful to connect the reconnect the antenna connectors
Will a 2012 MBA wifi antenna work with a 2014 wifi card?
I'm getting a "Wifi: No hardware installed" with an X over the wifi icon in the Menu.
Even after I swapped the original Airport card with a second one. Neither one works. The original worked up until a short time ago. I hadn't used the Air for a few months, but when I started it up the Airport wasn't recognized.
Also, should mention that Bluetooth works fine.
Could it be the Airport cables?
Specs: 13" Air (2014) running Mojave 10.14.1
I use a Netgear router with a Macbook Air 13, and the internet is very slow with it, and the connection is always disconnected and back on.
