Introduction
This replacement guide requires working on the internals of the desktop. This could void any remaining warranty.
This guide also requires close-proximity to exposed electronics. Please ensure that the PC is both powered off and disconnected from the wall.
Parts
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Remove the sidepanel by unscrewing the two screws fastening the panel on the rear. Once unscrewed, slide the panel towards the rear until it releases then lift away.
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Unplug the CPU fan connector from the motherboard.
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Then open the latch under the CPU fan and unhook the metal fasteners.
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Lift the CPU heatsink and cable off of the CPU carefully.
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Clean both the CPU top and the heatsink bottom by slightly moistening a paper towel with rubbing alcohol and rubbing lightly.
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Grab your thermal paste and put a pea-sized amount in the middle of the CPU top.
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Gently replace the heatsink on top of the CPU and re-lock the heatsink fasteners.
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Replug the CPU Fan connector to the motherboard header.
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Replug the computer and turn it on. If the fan spins, reattach the sidepanels and the replacement is complete.
