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Add Note Edit Step 41  ¶ 

  • Disconnect the audio port cable by pulling its connector away from the front face of the logic board.

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Add Note Edit Step 42  ¶ 

  • If present, peel off the tape securing the hard drive SATA cable to the logic board.

Image #1 Image #2

Add Note Edit Step 43  ¶ 

  • Depress the locking mechanism and carefully pull the DC-In cable out of its socket on the back of the logic board.

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Add Note Edit Step 44  ¶ 

  • Being careful not to damage the socket on the logic board, gently pull the hard drive SATA data cable straight out of its socket on the logic board.

  • Remove the logic board, minding any cables that may get caught.

  • When reinstalling the logic board, plug in a mini display port cable and a USB cable into the outer USB port before tightening the logic board screws to ensure proper alignment.

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Add Note Edit Step 45 — PRAM Battery  ¶ 

  • Use the tip of a spudger to pry the PRAM battery out of its socket on the logic board.

  • The PRAM battery is a BR2032 lithium coin cell.

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To reassemble your device, follow these instructions in reverse order.

For more information, check out the iMac Intel 21.5" EMC 2389 device page.

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