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Introduction

Use this guide to replace the logic board in a 2018 MacBook Air.

Note that Touch ID will not function after replacing the logic board. The MacBook’s original Touch ID sensor is uniquely paired to the T2 chip on the logic board at the factory—and without Apple’s proprietary calibration process, even a genuine replacement logic board from another MacBook Air won’t work.

If you replace the logic board, you must install a paired Touch ID sensor to retain Touch ID functionality.

  1. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Remove the screws securing the lower case: étape 1, image 1 de 1
    • Before starting this procedure, you should disable your Mac's Auto Boot feature. Auto Boot powers on your Mac when you open the lid, and may be accidentally triggered during disassembly. Use this guide to disable Auto Boot.

    • If your MacBook is running Big Sur v11.1 or later, disabling Auto Boot may not work. You can proceed normally, but make sure to disconnect the battery as soon as you're inside.

    • Completely power off and unplug your MacBook Air before you start. Close the display and flip the entire laptop upside-down.

    • Use a P5 driver to remove the following screws:

    • Two 7.9 mm screws

    • Two 7.1 mm screws

    • Six 2.6 mm screws

  2. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Remove the lower case: étape 2, image 1 de 1
    • Wedge your fingers between the display and the lower case and pull upward to pop the lower case off the Air.

    • Remove the lower case.

  3. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Disconnect the battery: étape 3, image 1 de 1
    • Peel back the tape covering the battery connector enough to reveal the connector underneath.

  4. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 4, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 4, image 2 de 2
    • Use a spudger to slide the battery connector parallel to the logic board and out of its socket on the logic board.

  5. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Disconnect the logic board: étape 5, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Disconnect the logic board: étape 5, image 2 de 2
    • Use a T3 Torx driver to remove the two 1.4 mm screws securing the trackpad connector bracket.

    • Remove the trackpad connector bracket.

  6. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 6, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 6, image 2 de 2
    • Use the flat end of a spudger to pry the trackpad cable connector up and out of its socket.

  7. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 7, image 1 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 7, image 2 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 7, image 3 de 3
    • If the left speaker is already disconnected, skip this step.

    • Slide the tip of a spudger underneath the left speaker cable and pry straight up to disconnect the speaker.

    • With the connector disconnected, slide the flat end of a spudger under the cable to separate the adhesive securing the cable to the logic board.

  8. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 8, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 8, image 2 de 2
    • Use a T3 Torx driver to remove the two 1.3 mm screws securing the USB-C port connector bracket.

    • Remove the USB-C connector bracket.

  9. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 9, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 9, image 2 de 2
    • Use the flat end of a spudger to pry the USB-C cable connector up and out of its socket on the logic board.

  10. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 10, image 1 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 10, image 2 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 10, image 3 de 3
    • Use a spudger to lift up the small locking flap on the sound board cable's ZIF connector.

    • Slide the sound board cable out of the ZIF connector.

  11. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 11, image 1 de 1
    • Peel back the black tape covering the fan cable connector.

  12. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 12, image 1 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 12, image 2 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 12, image 3 de 3
    • Use the tip of a spudger to lift up the locking flap on the fan cable's ZIF connector.

    • Slide the fan cable out of the ZIF connector.

  13. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 13, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 13, image 2 de 2
    • Use a T3 Torx driver to remove the two 1.4 mm screws securing the antenna cable bracket.

    • Remove the antenna cable bracket.

  14. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 14, image 1 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 14, image 2 de 3 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 14, image 3 de 3
    • Insert the point of a spudger under one of the antenna cables close to the connector. Pry straight up to disconnect the cable.

    • Repeat for the other antenna cable.

  15. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 15, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 15, image 2 de 2
    • Use a T3 Torx driver to remove the two 1.5 mm screws securing the display cable connector bracket.

    • Remove the display cable connector bracket.

  16. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 16, image 1 de 2 MacBook Air 13” Retina Display Late 2018 Logic Board Replacement: étape 16, image 2 de 2
    • Use the flat end of a spudger to pry up the display cable connector.

  17. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Unscrew the logic board: étape 17, image 1 de 1
    • Use a T5 Torx driver to remove the following screws:

    • One 5.5 mm screw

    • Three 2.6 mm screws

    • Two 1.9 mm screws

  18. MacBook Air 13” Retina Display Late 2018 Logic Board Replacement, Remove the logic board: étape 18, image 1 de 1
    • Remove the logic board.

Conclusion

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

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Adam O'Camb

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