MacBook Air (15-inch, M2, 2023) 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)
Torque driver (teal, 0.75 kgf cm)
Torx Plus 2IP 44 mm half-moon bit
Torx Plus 3IP 44 mm half-moon bit
Touch ID alignment tool
Caution
This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process.
Removal
Open the display and stand the computer on its side.
Press the Touch ID button. During reassembly, you’ll need to ensure that the button feels the same when you press it.
Close the display and the lay the computer display-side down.
Use the blue torque driver and 3IP bit to remove the 3IP screw (923-08925) from the Touch ID board connector cowling. Remove the cowling and save it for reassembly.
Use the black stick to lift the end of the Touch ID board flex cable off the connector.
Lift the end of the Touch ID board flex cable (1) and use the flat end of the black stick to gently peel the flex cable from the top case (2).
Use the blue torque driver and 2IP bit to partially unscrew the set screw (923-08982) with one turn.
Use the blue torque driver and 3IP bit to remove the four corner 3IP screws (923-08918) (1) and the two middle 3IP screws (923-08917) (2) from the Touch ID board.
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.
Open the display and stand the computer on its side.
Support the Touch ID board as you route the Touch ID board flex cable through the slot as shown.
Reassembly
Stand the computer on its side with the display still open. Set two Y-shaped alignment tools in the Touch ID board recess as shown and insert the tabs in the corner edges. Secure the alignment tools with Kapton tape.
Route the Touch ID board flex cable through the slot in the top case. Then position the Touch ID board in the recess on the top case.
Note: If you’re installing a replacement Touch ID board, remove the protective film from the glass surface and the flex cable.
Close the display and place the computer display-side down.
Caution: Ensure that the Touch ID button is held in place by the Y-shaped tools as you close the display.
Use ESD-safe tweezers to position the Touch ID board flexible cowling as shown.
Use the blue torque driver and 3IP bit to partially reinstall the four corner 3IP screws (923-08918) (1) and the two middle 3IP screws (923-08917) (2) into the Touch ID board.
Use the blue torque driver and 3IP bit to partially tighten the bottom left 3IP screw.
Use the blue torque driver and 3IP bit to fully reinstall the four corner 3IP screws in the order shown.
Use the teal torque driver and 3IP bit to fully reinstall the two center 3IP screws.
Open the display and stand the computer on its side.
Look directly at the Touch ID button. The spaces on each side should appear equal and the Touch ID button should align with the function keys.
Important: If the gaps around the sides are unequal, use the teal torque driver and 3IP bit to partially unscrew the two center screws with one turn each. Then adjust the button and tighten the two center screws.
Remove the Kapton tape and Y-shaped alignment tools.
Use the blue torque driver and 2IP bit to tighten or loosen the 2IP set screw (923-08982) while you press the Touch ID button. Ensure that it feels the same as it did prior to removal.
Important
If the Touch ID button feels too stiff or doesn't move, the set screw has been overtightened. Use the blue torque driver and 2IP bit to loosen the set screw.
If the Touch ID button can be pressed down but doesn't click, the set screw is too loose. Use the blue torque driver and 2IP bit to tighten the 2IP set screw.
Close the display and place the computer display-side down.
Press the end of the Touch ID board flex cable to the connector.
Press the Touch ID board flex cable to adhere it the to the top case.
Position the Touch ID board connector cowling over the end of the flex cable.
Use the blue torque driver and 3IP bit to reinstall the 3IP screw (923-08925) into the Touch ID board connector cowling.
Reinstall the following parts to complete reassembly:
CautionAfter you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process.