MacBook Air (M2, 2022) Touch ID Board

Before You Begin

Remove the following parts before you begin:

Tools

  • ESD-safe tweezers

  • Kapton tape

  • Nylon probe (black stick)

  • Torque driver (blue, 0.65 kgf cm)

  • Torx Plus 2IP 44 mm half-moon bit

  • Torx T3 half-moon bit

  • Torx T3 screwdriver

  • Touch ID alignment kit

Caution

This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process.

Important

The heat sink can’t be reused. Install a replacement heat sink.

Removal

  1. Open the display and stand the computer on its side.

  2. Press the Touch ID button. During reassembly, you’ll need to ensure that it feels the same way when you press it.

  3. Close the display and the lay the computer display-side down.

  4. Use the T3 screwdriver to remove the T3 screw (923-07277) from the Touch ID board connector cowling.

  5. Remove the Touch ID board connector cowling and save it for reassembly.

  6. Use the black stick to lift the end of the Touch ID board flex cable off the connector (1).

  7. Use the flat end of the black stick to gently peel the Touch ID board flex cable from the top case (2).

  8. Insert the 2IP bit into the blue torque driver. Then use the blue torque driver and 2IP bit to partially unscrew the middle captive screw with one turn.

  9. Use the T3 screwdriver to remove the four corner T3 screws (923-07546) (1) from the Touch ID board.

  10. Use the T3 screwdriver to remove the two middle T3 screws (923-07293) (2) from the Touch ID board.

  11. Use ESD-safe tweezers to remove the Touch ID board flexible cowling. Save the flexible cowling for reassembly.

    • Important: Note the orientation of the Touch ID board flexible cowling for reassembly.

  12. Open the display and stand the computer on its side.

  13. Support the Touch ID board as you route the Touch ID board flex cable through the slot as shown. Remove the Touch ID board from the keyboard side of the top case.

Reassembly

  1. Stand the computer on its side with the display still open.

  2. Set two Y-shaped alignment tools in the Touch ID board opening in the top case as shown. Secure the Y-shaped tools in the corner edges with Kapton tape.

  3. Route the Touch ID board flex cable through the slot in the top case. Then position the Touch ID board in the opening in the top case.

    • Note: If you’re installing a replacement Touch ID board, remove the protective film from the glass surface and the Touch ID board flex cable.

  4. Close the display. Ensure that the Touch ID button is held in place by the Y-shaped tools as you close the display. Then place the computer display-side down.

  5. Use ESD-safe tweezers to position the Touch ID board flexible cowling as shown.

  6. Insert the Torx T3 bit into the blue torque driver. Then use the blue torque driver and Torx T3 bit to partially reinstall the bottom left T3 screw (923-07546) (1) into the Touch ID board.

  7. Keep the Torx T3 bit in the blue torque driver. Then use the blue torque driver and Torx T3 bit to reinstall the upper right T3 screw (923-07546) (2). Then fully reinstall the bottom left T3 screw.

  8. Keep the Torx T3 bit in the blue torque driver. Then use the blue torque driver and Torx T3 bit to reinstall the lower right and upper left T3 screws (923-07546) (3, 4) in the order shown.

  9. Use the T3 screwdriver to reinstall the two middle T3 screws (923-07293) (5, 6) in the order shown.

  10. Open the display and stand the computer on its side.

  11. Remove the Kapton tape and Y-shaped alignment tools.

  12. Insert the 2IP bit into the blue torque driver. Then use the blue torque driver and 2IP bit to tighten or loosen the captive screw while you press the Touch ID button. Ensure that it feels the same way as it did prior to removal.

    • Important

      • If the Touch ID button feels too stiff or doesn’t move, the captive screw has been overtightened. Use the blue torque driver and 2IP bit to loosen the captive screw.

      • If the Touch ID button can be pressed down but doesn’t click, the captive screw has been reinstalled too loose. Use the blue torque driver and 2IP bit to tighten the captive screw.

  13. Close the display and place the computer display-side down.

  14. Press the end of the Touch ID board flex cable to the connector (1).

  15. Use the black stick to adhere the Touch ID board flex cable to the top case (2).

  16. Position the Touch ID board connector cowling.

  17. Insert the Torx T3 bit into the blue torque driver. Then use the blue torque driver and Torx T3 bit to reinstall the T3 screw (923-07277) into the Touch ID board connector cowling.

  18. Install a replacement heat sink.

Reinstall the following parts to complete reassembly:

Caution

After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process.

Published Date: