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View Thread: Ack! I think my computer's motherboard is overheating.
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    This sounds exactly like the capcitors next to the CPU. If they are not properly shielded (the copper wire wrapped around them), they emit such sounds. I have seenmore and more of the high end motherboards just putting huge amounts of copper wiring, and some are seeming to use other mehtods now, I think it may be a ferrite core, but I am not sure. I am NO EE, so if an EE is on the board I am sure they can explain it more, and what altrtives to the copper may be.