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Something smells like burning

post #1 of 15
Thread Starter 
Everytime I play BF3 or do any folding I start to smell some sort of burning plastic smell... I checked all my temps and they're ok.... my CPU never gos above 42C and my GPU's never go above 58C.... any Ideas?, someone said it could be my PSU, but its only 9months old....
thnx in advance
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Turd Burner
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post #2 of 15
Try opening your case to find the source. Use your nose.
Edited by aoya - 3/29/12 at 5:27pm
    
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post #3 of 15
Are your graphics cards relatively new or have you reseated them recently? It could just be some plastic is touching a few fins of the heatsink
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post #4 of 15
Thread Starter 
GFX cards are a few months old and they've been in the same spot since day 1..... I think the smell is coming from my PSU.... what would make it give off a smell?
Turd Burner
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Turd Burner
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post #5 of 15
Quote:
Originally Posted by Malo View Post

GFX cards are a few months old and they've been in the same spot since day 1..... I think the smell is coming from my PSU.... what would make it give off a smell?

Some PSUs do make some smell under load. You might wanna check that out. I had a 550W Ultra LSP and it blew after leaving it on underload for a while makign the smell.
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post #6 of 15
I have a 12V power brick for my NES's pico-psu that starts to smell the moment I put the system under load. A fan kicks in when it does that and it's been doing this ever since I've had it (which was about 1 1/2 years ago). My psu is rated at 102 watts, which is a bit lower than the estimated total tdp of my system. Then again I only notice the smell when it starts up. It should be part of your power supply's normal operation though beware that your power supply might not be powerful enough for your system.
For what I know not many power supplies out there are not capable of supplying the amount of power they are rated for. Various brands decide to place 500 watt stickers on 250 watt psu's, and you would have no way of knowing until it blew out.
post #7 of 15
My power supply recently got RMA'd for smelling strongly of electrical smoky "hotness". I forget what PC Power and Cooling said they replaced on it that had gone bad.
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post #8 of 15
42C won't cause a bad burning smell - you could hold your finger on that without getting burnt. Capacitors can give off a bad smell if they've popped, but 9 times out of 10 it shorts the circuit too, thus letting you know there is a problem. Your case could be the 1 out of 10. It sounds like something is being overloaded somewhere, and it probably will pop eventually. The PSU is a good candidate for where the smell is coming from. Is this on your sig rig? if so, i could tot up the power requirements, and see if you are running the PSU near the edge?

Lesley x
post #9 of 15
More important,is there a burned electrical smell comming from the power supply after it is turned off (or any other component?).
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post #10 of 15
I put too many volts though a fan connector one time and I started to smell the burning plastic smell. It turns out one of the PSU connectors was actually melting right through the sleeve. If I were you, I would take a minute and check each and every PSU connector very thoroughly. Your case sounds all too familiar to me.
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