Introduction

Input, Output, Sideput. Whatever kind of puting you will be doing, a faulty I/O board cable is going to severely limit the functionality of your MacBook Pro. This guide will show you how to replace it.

  1. Remove the following pentalobe screws securing the lower case to the MacBook Pro:
    • Remove the following pentalobe screws securing the lower case to the MacBook Pro:

    • Eight 3.1 mm

    • Two 2.3 mm

  2. Lifting from the edge nearest the clutch cover, lift the lower case off the MacBook Pro. Lifting from the edge nearest the clutch cover, lift the lower case off the MacBook Pro.
    • Lifting from the edge nearest the clutch cover, lift the lower case off the MacBook Pro.

  3. The lower case has two plastic pegs (red) that fit into plastic clips in the upper case (orange). During reassembly, gently push down the center of the lower case to reattach the case to its two plastic clips. During reassembly, gently push down the center of the lower case to reattach the case to its two plastic clips.
    • The lower case has two plastic pegs (red) that fit into plastic clips in the upper case (orange).

    • During reassembly, gently push down the center of the lower case to reattach the case to its two plastic clips.

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  5. Peel back the sticker covering the battery connector.
    • Peel back the sticker covering the battery connector.

  6. Gently lift each side of the battery connector to pry the connector out of its socket on the logic board. Bend the connector back toward the battery, ensuring that the battery connector doesn't accidentally make contact with the logic board. Bend the connector back toward the battery, ensuring that the battery connector doesn't accidentally make contact with the logic board.
    • Gently lift each side of the battery connector to pry the connector out of its socket on the logic board.

    • Bend the connector back toward the battery, ensuring that the battery connector doesn't accidentally make contact with the logic board.

  7. Remove the four 2.2 mm T5 Torx screws securing the I/O board cable connector covers.
    • Remove the four 2.2 mm T5 Torx screws securing the I/O board cable connector covers.

  8. Remove the left connector cover. Use the flat end of a spudger to pry the left end of the I/O board cable up from its socket on the logic board.
    • Remove the left connector cover.

    • Use the flat end of a spudger to pry the left end of the I/O board cable up from its socket on the logic board.

  9. Remove the right connector cover. Use the flat end of a spudger to pry the right end of the I/O board cable up from its socket on the logic board.
    • Remove the right connector cover.

    • Use the flat end of a spudger to pry the right end of the I/O board cable up from its socket on the logic board.

  10. Peel the top I/O board cable up from the adhesive securing it to the fan.
    • Peel the top I/O board cable up from the adhesive securing it to the fan.

    • Remove the cable.

Conclusion

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

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Andrew Optimus Goldberg

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