Smell of burning only when turning on the PC.

Aug 16, 2019
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I cannot find the source. It only happens for a short period of time after the PC has been off for a while.
I have a cat in the house could it be it burning dust/the hair of the cat?
The PC performance has not been affected
Any idea what it could be?
 
It certainly could be hairballs/dust, particularly in the PSU. How clean is the inside of your rig? Have you ever cleaned inside the case?

Also, have you visually inspected the inside of the case for any possible sources (or damage, like melted wiring or fans not spinning)?
 

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