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Motherboard making strange noises - help!

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  • Motherboards
Last response: in Motherboards
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January 6, 2010 10:10:15 PM

Hi guys. I have a new ASUS P7P55D-E Deluxe (well its actually my second, RMAed the first), a SeaSonic X-750 PSU, Intel i7-860, 4GB Corsair DomiNatrix RAM, and an nVidia GPU (a little 220GT just for debugging).

When I use the motherboard there is a constant, electric, high-pitched "beeping" coming from the area around the CPU where the power phase caps and MOSFETs are. It starts once I being to boot windows (at least I can't discern it while in BIOS) and remains even when idling on the desktop. I'm not sure if this is a bad sign, but the PSU also has a very low buzzing sound (this model's fan never turns on unless you start drawing a lot of power).

I tried plugging in an older, messed up 650W CPU (it's a bit busted and needs RMAing of it's own - it makes some odd noises of it's own). When I test with this PSU the beeping occurs in the PSU unit as well, oddly enough.

I had this same problem with the first motherboard (which was actually a P7P5DD Deluxe, not the P7P5DD-*E* version), although I didn't test it with the old busted up PSU.

Does anyone have any idea what is going on and how I can fix it? This electrical noise is driving me nuts and makes me so upset that I burned so much money on it.

Thanks in advance!

More about : motherboard making strange noises

a b V Motherboard
January 12, 2010 4:29:18 AM

Try another power supply, and try plugging everything into another wall socket. I assume you're using at the very least a voltage regulator?
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