PSU makes sound whenever i unplug my ethernet cable

YXP

Mar 9, 2022
46
10
35
So whenever i unplug my ethernet cable or go to "change adapter settings" and disable ethernet
i hear a hissing whining sound coming from my PSU
and whenever i plug my ethernet cable back the sound goes away like 98% and there is a tiny bit left that's always there even if i didnt unplug the ethernet
so is that coil whine? and nothing to be afraid of cuz it's really worrying me

i5 10400f
gtx 1660ti
h510m s2h
16gb ram
 

YXP

Mar 9, 2022
46
10
35
That's weird lol... I would also be suddenly worried if that was my machine doing that...
i just realized that same sound happens whenever I power up my monitor the first 5 seconds of it being powering up I hear the sound and then when the monitor is on sound goes away that made me think It might be normal actually what do u think
 

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