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iMac Intel 21.5" EMC 2428 Logic Board Replacement

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Remove the following four screws:

One 9.3 mm T10 coarse-threaded screw

One 25 mm T10 coarse-threaded screw

Two 22 mm fine-threaded screws

Pull the upper right and lower left corners of the power supply away from the rear case to dislodge the mounting posts attached to the power supply's corners.

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