iMac (24-inch, M1, 2021, Four ports) Logic Board Cover
Before You Begin
![](https://cdsassets.apple.com/live/SZLF0YNV/service-documentation/ssr/imac-24-m1-2021-4-ports-j456/100691-logic-board-cover/000_RP1726_MLB_Can_Locator_1X_V2.jpg)
Important
This procedure may require replacement tape. Replacement tape is included in the display starter kit and display refill kit. It’s not a separate orderable part.
Removal
Position the housing with the back facedown and the top closest to you.
Peel the tape off the middle of the logic board cover. Save the tape for reassembly.
Use the T3 screwdriver to remove the 11 T3 screws (923-05557) from the logic board cover.
Tilt up the logic board cover. Then pull it toward you to remove it from the housing.
Caution: Don’t touch the logic board with the logic board cover.
Reassembly
Look for foam on the underside of the logic board cover where the speaker cables connect to the logic board.
If the logic board cover has foam, don’t adhere foam over the speaker cable connectors on the logic board.
If the logic board cover doesn’t have foam, adhere foam over the speaker cable connectors on the logic board.
Slide the logic board cover into the housing. Then reposition it over the logic board.
Caution: Don’t touch the logic board with the logic board cover.
Use the T3 screwdriver to reinstall the 11 T3 screws (923-05557) into thelogic board cover.
Adhere the tape onto the middle of the logic board cover.
Important: If the tape was damaged during removal, discard it and use replacement tape.
Reinstall the following part to complete reassembly: