iMac (24-inch, 2024, Four ports) USB-C Boards

Before You Begin

Remove the following part before you begin:

Tools

  • Adjustable torque driver (10–34 Ncm)

  • ESD-safe tweezers

  • Nylon probe (black stick)

  • Support wedge kit

  • Torx Plus 3IP 25 mm bit

Refer to a full list of tools required for all repairs.

Removal

Note: This procedure shows how to remove both USB-C boards. However, you can remove one USB-C board at a time.

  1. Position the housing with the logic board facing up.

  2. Use the 10–34 Ncm adjustable torque driver and 3IP bit to remove the four 3IP screws (923-11035) from each USB-C board.

  3. Use the flat end of the black stick to flip up the USB-C boards to access the USB-C board connector cowlings.

    • Caution: Ensure that the USB-C boards don’t touch the adapter board.

  4. Release the speaker cable from the clip in the left USB-C board connector cowling.

  5. Use the 10–34 Ncm adjustable torque driver and 3IP bit to remove the two 3IP screws (923-11031) from each USB-C board connector cowling. Remove the cowlings and save them for reassembly.

  6. Use the flat end of the black stick to lift the end of the right USB-C board flex cable off the connector on the adapter board. Remove the right USB-C board from the housing.

    • Caution: Support the right USB-C board while disconnecting the flex cable, so that it doesn't fall onto the adapter board.

  7. Use the flat end of the black stick to lift the end of the left USB-C board flex cable off the connector on the adapter board. Remove the left USB-C board from the housing.

    • Caution: Support the left USB-C board while disconnecting the flex cable, so that it doesn't fall onto the adapter board.

Reassembly

  1. Position the left USB-C board over the connector. Then press the end of the left USB-C board flex cable to the connector on the adapter board.

    • Caution: Ensure that the USB-C board doesn’t touch the adapter board.

  2. Position the right USB-C board over the connector. Then press the end of the right USB-C board flex cable to the connector on the adapter board.

    • Caution: Ensure that the USB-C board doesn’t touch the adapter board.

  3. Position the USB-C board connector cowlings over the connectors.

    • Important: Ensure that the USB-C board connector cowling with the clip for the speaker cable is positioned over the left USB-C connector.

  4. Set the torque value on the 10–34 Ncm adjustable torque driver to 11.5 Ncm. Use the adjustable torque driver and 3IP bit to reinstall the two 3IP screws (923-11031) into each cowling.

  5. Use the flat end of the black stick to insert the speaker cable into the clip in the left USB-C board connector cowling.

  6. Set the torque value on the 10–34 Ncm adjustable torque driver to 10 Ncm. Use the adjustable torque driver and 3IP bit to reinstall the four 3IP screws (923-11035) into each USB-C board.

Reinstall the following part to complete reassembly:

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