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Remove or replace the I/O board cable.
crwdns2942213:0crwdne2942213:0
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crwdns2935267:0crwdne2935267:0P5 Pentalobe Screwdriver Retina MacBook Pro and Air$5.99
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Remove the following ten screws:
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Two 8 mm 5-point Pentalobe screws
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Eight 2.5 mm 5-point Pentalobe 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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Use the flat end of a spudger to pry both short sides of the battery connector upward to disconnect it from its socket on the logic board.
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Bend the battery cable slightly away from the logic board so the connector will not accidentally bend back and make contact with its socket.
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Use the flat end of a spudger to pry the left and right I/O board cable connectors up off their respective sockets on the I/O board.
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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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Your steps were easy to follow. I didn’t have to replace the I/O board cable just re-connect it. Audio is working once again.