Smell from PC.

Electro-Goblin

Reputable
Jun 6, 2015
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4,510
Hey, let me start by just thanking the entire forum and site for being there for all of my mindless googling when it came to internet tech over the past few years - even prior to building my rig.
I figured it was high-time I made an account to put my own word in sometimes.

Now, I'm not even entirely sure i'm posing in the right category for my issue, but here goes ;

There has been a smell coming from my PC for the past week/week and a half. It's not TOO chemical of a scent, and I really don't think it's a burning smell. No wires touch any of my hot components, and I'm not entirely sure of where the smell is coming from, but I have sniffed around and determined some places that could be suspect.

This may all sound perplexing, but I definitely smell a strange smell coming from my power supply, out of the vent where the fan is. It's almost a sweet smell - but it can't solely be the PSU as I have replaced it - only to just minutes ago switch back to the previous power supply. The smell is much stronger when gaming, and it could all be dust, but I'm unsure what dust smells like in a PC to be honest. The CPU cooler is extremely dusty, and I'm still using the stock CPU cooler that came with my CPU, even reapplied thermal compound to the CPU a few weeks ago without dusting it out.

What exactly could the sweet, acetone like smell be? Could it just be dust; if so, what does dust even smell like when heated in a PC? I know a smells seems to be coming from the back of the PSU, as well as it seems to be around the CPU cooler as well - so is it just dust?

Thanks a bunch.
 



I replaced the power supply with a separate one - same smell. And it seems like it emits from the power supply as well. When I'm gaming, if I sniff really close to the PC, I can smell a really sweet, vaguely chemical smell. It is a unnerving smell, and it COULD be simply dust as the power supply I bought was second hand and had some in it as well. There was a similar smell coming from my CPU cooler earlier when I switched back to the previous power supply I had been using.

NO idea what dust heating up smells like, though I'm pretty sure it doesn't smell sweet. Just throwing it out there because the cooler is quite dusty, and there's obviously dust in the power supplies.