high pitch noise from HD after reformat

Im not sure where to find a good tech support page so i guess i will just ask 4ch. Anyways, I just reformatted my computer today, but now the HD is making this high pitch humming noise which is getting really annoying. I dont think it made any noise as big as this before. (i know its from the HD and not the fans, i opened the case and the noise is coming directly from it). what can i do to reduce this ghey noise?


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