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Cpu whistling noise

Last response: in CPUs
July 14, 2013 6:15:13 PM

So 10 days ago i got my new pc, works really well tho yday i heard some whistling / scratching sound from cpu lasted 2-3 secs then disappeared went to sleep after that now today i get that noise every 5-10 minutes for 2-3 secs then it disappears like clockwork, no change in performance i was playing a game and it kept on happening for few seconds but i didn't have any problem only difference i noticed is that cpu usage at idle state went from 1% to 15% during that time, i opened my case and i pinpointed location to cpu i don't know why this is happening im pretty sure it's the fan but idk why every 5-10 mins why not all the time if something is in it's way please help me out if u can i have warranty but i just got my new pc i don't want to take it away for 2 weeks again here are my specs. Also the weirdest thing is i can hear the scratching no only in the cpu but i can also hear it on the speakers i thought at first that my speakers have gone bad... :( 

7850 1gb
h61 mb
4gb 1333 ram
650w lc power

More about : cpu whistling noise

a c 535 à CPUs
July 14, 2013 8:55:20 PM

If at cpu, it's prob the fan or maybe coil on the mobo, I'd guess fan or maybe PSU if up on top
July 14, 2013 9:04:57 PM

psu is down and there is nothing wrong with it it's cold and i really can hear it from cooler or the cpu itself im really worried that this might turn into something bigger u know this doesn't affect my pc at all for now but idk what will happen 5 days from now :/ 
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a c 535 à CPUs
July 14, 2013 9:10:02 PM

Strange, sounds like coil whine, but.........
a b à CPUs
July 14, 2013 9:50:32 PM

Low end H61 mobo. Probably a bad coil
July 15, 2013 2:34:35 AM

im sorry, could u explain what is a ''bad coil'' and a ''coil'' itself. and possibly how to fix it without replacing any of the components :/ 
also i checked some noises from coil whine and it's the closest i can describe to the noise my pc is making. Is coil whine dangerous to pc and will it affect my performance and why does my cpu usage jump by a bit when coil whine happens

Edit: this is the exact sound my pc makes sometime and from what i hear i guess it's gpu after all i was wrong probably about cpu so please tell me is this dangerous?