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Introduction

Use this guide to replace the I/O board.

    • 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

    • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from to avoid damaging your device.

  1. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 2, image 1 de 1
    • 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.

  2. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 3, image 1 de 3 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 3, image 2 de 3 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 3, image 3 de 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.

  3. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Battery Connector: étape 4, image 1 de 1
    • Remove the plastic cover adhered to the battery contact board.

  4. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 5, image 1 de 1
    • Remove the following screws securing the battery connector board to the logic board:

    • Two 2.8 mm T6 Torx screws

    • One 7.0 mm T6 Torx shouldered screw

  5. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 6, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 6, image 2 de 2
    • Use tweezers to remove the small plastic cover located near the bottom right of the battery connector board.

  6. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 7, image 1 de 1
    • Remove the wide head 6.4 mm T6 Torx screw securing the battery connector to the logic board assembly.

  7. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 8, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 8, image 2 de 2
    • 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.

  8. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Battery Contact Board: étape 9, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Battery Contact Board: étape 9, image 2 de 2
    • Grasp the Interposer with tweezers.

    • An interposer is the name for an interface that links one electrical connection to another. In this repair, it is the board connecting the battery to logic board.

    • Lift the Interposer 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.

  9. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Heat Sink Assembly: étape 10, image 1 de 1
    • Remove the following screws securing the heat sink to the logic board assembly:

    • One 2.4 mm Phillips #00 screw

    • One 3.4 mm T5 Torx screw

    • Four 2.7 mm T5 Torx screws

    • Lift and remove the heat sink up off the logic board assembly.

    • When reinstalling the heat sink, be sure to apply a new layer of thermal paste. If you have never applied thermal paste before, we have a guide that makes it easy.

  10. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, I/O Board Data Cable: étape 12, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, I/O Board Data Cable: étape 12, image 2 de 2
    • 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.

  11. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 13, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 13, image 2 de 2
    • 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.

  12. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 14, image 1 de 1
    • Lift and remove the I/O board data cable from the MacBook Pro.

  13. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Right Fan: étape 15, image 1 de 3 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Right Fan: étape 15, image 2 de 3 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, Right Fan: étape 15, image 3 de 3
    • Use the tip of a spudger to flip up the retaining flap on the right fan ribbon cable ZIF socket.

    • Be sure you are prying up on the hinged retaining flap, not the socket itself.

    • Pull the right fan ribbon cable straight out of its socket on the logic board.

  14. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 16, image 1 de 1
    • Remove the three 3.1 mm T5 Torx screws securing the right fan to the logic board assembly.

  15. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 17, image 1 de 1
    • Lift and remove the right fan out of the upper case.

  16. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, AirPort Board Assembly: étape 18, image 1 de 1
    • Remove the single 2.7 mm T5 Torx screw securing the AirPort board to the I/O board.

  17. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 19, image 1 de 3 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 19, image 2 de 3 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 19, image 3 de 3
    • Use the flat end of a spudger to pry and disconnect the three antenna cable connectors from the AirPort board.

    • The three cables are coded with black sleeves of different lengths. During reassembly:

    • Connect the long-sleeved cable to the center socket.

    • The short-sleeved cable connects next to the screw.

    • The remaining cable has no sleeve, and connects in the last empty socket, next to the fan.

  18. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 20, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 20, image 2 de 2
    • Move the antenna cables aside, clear of the AirPort board.

  19. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 21, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 21, image 2 de 2
    • Pull the AirPort board straight out of its socket on the I/O board.

  20. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, I/O Board: étape 22, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement, I/O Board: étape 22, image 2 de 2
    • Use the tip of a spudger to push the edges of the I/O board power connector straight out of its socket on the logic board.

    • It is recommended to carefully push on both sides of the connector to "walk" it out of its socket.

  21. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 23, image 1 de 1
    • Pull the I/O board connector straight out of its socket on the logic board.

  22. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 24, image 1 de 1
    • Remove the following two screws securing the I/O board to the upper case:

    • One 3.5 mm T5 Torx screw

    • One 4.9 mm T8 Torx screw

  23. MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 25, image 1 de 2 MacBook Pro 13" Retina Display Late 2012 I/O Board Replacement: étape 25, image 2 de 2
    • Carefully pull and remove the I/O board away from its recess in the upper case.

Conclusion

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

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