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Use this guide to replace a damaged I/O board ribbon cable.

    • Shut down and close your computer. Lay it on a soft surface top-side down.

    • Remove the following ten screws:

    • Two 8 mm 5-point Pentalobe screws

    • Eight 2.5 mm 5-point Pentalobe screws

    • The special screwdriver needed to remove the 5-point Pentalobe screws can be found here.

  1. MacBook Air 11" Mid 2011 I/O Board Cable Replacement: step 2, image 1 of 1
    • Wedge your fingers between the display and the lower case and pull upward to pop the lower case off the Air.

  2. MacBook Air 11" Mid 2011 I/O Board Cable Replacement, Battery: step 3, image 1 of 2 MacBook Air 11" Mid 2011 I/O Board Cable Replacement, Battery: step 3, image 2 of 2
    • In this step you will disconnect the battery to help avoid shorting out any components during service.

    • 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.

    • Bend the battery cable slightly away from the logic board so the connector will not accidentally contact its socket.

  3. MacBook Air 11" Mid 2011 I/O Board Cable Replacement, I/O Board Cable: step 4, image 1 of 2 MacBook Air 11" Mid 2011 I/O Board Cable Replacement, I/O Board Cable: step 4, image 2 of 2
    • 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.

  4. MacBook Air 11" Mid 2011 I/O Board Cable Replacement: step 5, image 1 of 2 MacBook Air 11" Mid 2011 I/O Board Cable Replacement: step 5, image 2 of 2
    • The following connector has an especially deep socket. Use care when disconnecting it.

    • 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.

    • Remove the I/O board cable.

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To reassemble your device, follow these instructions in reverse order.

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Walter Galan

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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!

Jean Wallemacq - crwdns2853112:0crwdne2853112:0

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