High pitch noise

exileguardian

Prominent
Oct 31, 2017
4
0
510
computer makes a god awful high pitch noise when My mouse is sitting still. I read in a post a fix, and it did fix the noise. but my task manager shows my cpu always running at 100pcn now. This is bad? ANd if so is there a different fix?
GIGABYTE GA-Z68MA-D2H-B3
I5 2500 sandy bridge

1. Execute: "regedit"
2 .Locate: HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Power \ PowerSettings \ 54533251-82be-4824-96c1-47b60b¬740d00 \ 5d76a2ca-e8c0-402f-a133-215849¬2d58ad
3. Change Attributes from 1 to 0.
4. Then, through the control panel - power - in the settings mode select power management processor. There will be an option disabling idle processor and high pitched noise immediately disappears.