Introduction

Use this guide to replace the I/O board data cable.

Image 1/1: Two 2.3 mm P5 Pentalobe screws
  • Remove the following ten screws securing the lower case to the upper case:

    • Two 2.3 mm P5 Pentalobe screws

    • Eight 3.0 mm P5 Pentalobe screws

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Image 1/1: Gently pull the lower case away from the upper case.
  • Wedge your fingers between the upper case and the lower case.

  • Gently pull the lower case away from the upper case.

  • Remove the lower case and set it aside.

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Image 1/3: During reassembly, gently push down the center of the lower case to reattach the two plastic clips.
  • The lower case is connected to the upper case at the center, with two plastic clips.

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

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Image 1/1:
  • Remove the plastic cover adhered to the battery contact board.

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Image 1/1: Two 2.8 mm T6 Torx screws
  • Remove the following screws securing the battery connector board to the logic board:

    • Two 2.8 mm T6 Torx screws

    • One 7.0 mm T7 Torx shouldered screw

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Image 1/2:
  • Use tweezers to remove the small plastic cover located near the bottom right of the battery connector board.

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Image 1/1:
  • Remove the wide head 6.4 mm T6 Torx screw securing the battery connector to the logic board assembly.

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Image 1/2: It is recommended to bend the battery cables just slightly, to keep the board suspended up above the logic board and out of the way.
  • Carefully lift the battery connector board up off the logic board.

  • It is recommended to bend the battery cables just slightly, to keep the board suspended up above the logic board and out of the way.

  • Do not fold the board completely over, or crease the cables, as this may damage the battery.

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Image 1/2: Lift the battery contact board up off the logic board and remove it.
  • Grasp the battery contact board with tweezers.

  • Lift the battery contact board up off the logic board and remove it.

  • Removing this board will ensure that the battery remains disconnected throughout your repair, preventing your computer from accidentally powering on. It's also a good idea to take it out so it doesn't fall out unexpectedly.

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Image 1/2: When prying the I/O board data cable connector from its socket, make sure to pry the connector itself and not the socket. Prying the socket may cause irreversible damage to the I/O board.
  • Use the flat end of a spudger to pry the right side of the I/O board data cable connector up off its socket on the I/O board.

  • When prying the I/O board data cable connector from its socket, make sure to pry the connector itself and not the socket. Prying the socket may cause irreversible damage to the I/O board.

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Image 1/2: Gently twist the spudger to disconnect the I/O board data cable connector from its socket on the logic board.
  • Wedge the flat end of a spudger beneath the left side of the I/O board data cable connector.

  • Gently twist the spudger to disconnect the I/O board data cable connector from its socket on the logic board.

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Image 1/1:
  • Lift and remove the I/O board data cable from the MacBook Pro.

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Conclusion

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

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