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Use this guide to replace a damaged I/O board ribbon cable.
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crwdns2942207:0crwdne2942207:0crwdns2935267:0crwdne2935267:0P5 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 contact its socket.
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Use the flat end of a spudger to pry the I/O board cable connector upward out of its socket on the I/O board.
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The following connector has an especially deep socket. Use care when disconnecting it.
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While gently pulling the I/O board cable upward near its connection to the logic board, use the tip of a spudger to pry upward on alternating sides of the connector to help "walk" it out of its socket.
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Remove the I/O board cable.
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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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I had no sound (input/output), no video, no ability to work on battery. I followed the steps and discovered that both the battery and the i/o board where not properly connected. So following this manual fixed it all. Many thanks!
