Boiling kettle noise comming out of my pc?

Do you have a GPU? if yes then install riva tuner and put the fps limit on it to 60:
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If this is a GPU based problem, it will probably be solved else maybe it is a coil whine from PSU.
 


It happens anytime even if im just watchin vids.. So probably a coil whine from PSU.. Is there some way to fix coil whine thats comming from the PSU?
 


Sometimes an unwanted GPU load can also result in coil whines from PSU, at least try it out, if it works you would know. :)
 

Well, even if it worked it wouldnt be a long term fix for me because of me having 144hz monitor.
 

Okay tried so but didnt work. :/