High frequency computer sound?

H

hanslysglimt

New member
One of the computers in my home office (I have 5-6 of them) is generatig a very high frequency continuous screaming sound. My friend can't even hear it - but I get a headache from it.
I do not know if its the disk, fan or something else.
Most likely it is the disk?
What can I do?

Cover it up?
Put it on a mat?

Thanks.
 
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