Introduction
Keep those electrons flowing by replacing your broken power supply!
What you need
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Lay the iMac display-side down on a flat surface.
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Loosen the three Phillips screws securing the rear panel to the iMac.
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Lift the rear panel slightly from the bottom edge of the iMac.
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Pull the rear panel toward yourself and remove it from the iMac.
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Rotate the center Phillips screw on the bottom of the iMac clockwise until the rear panel clamp contacts the edge of the case.
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While depressing the connector lock, insert the flat end of a heavy duty spudger into the gap between the power supply connector and its socket.
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Twist the heavy duty spudger to slightly separate the connector from its socket.
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Pull the power supply connector straight away from its socket on the logic board.
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This step is very simple if you remove the power supply first.
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Grab the power supply from each side and rotate its top edge toward yourself until it clears the logic board.
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Lift the power supply out of the midplane.
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