Burning Smell

Jmmsbnd007

Diamond Member
May 29, 2002
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Okay, I'm 99% sure it's from my computer, and my PSU is reading -12.85v for the -12v rail (all other rails are within spec). 350w Antec with 3 hard drives, 9800 pro, 2500+ @ 2.2 ghz, Nexus fan controller... (NF7-S 2.0). Any ideas?
 

Jmmsbnd007

Diamond Member
May 29, 2002
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I should probably mention that if I smell the psu exhaust air directly it smells perfectly fine.
 

midnight growler

Senior member
May 8, 2005
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Don't quote me on this, but I've heard Antec PSUs sometimes smell of "burnt ozone" but otherwise are fine. Im not sure where I heard it from or if its actually true so don't just take my word for it.
 

Zepper

Elite Member
May 1, 2001
18,998
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Check the ATX connector at the mobo for charred pins - usually at the red (+5V) wires. Check all other wire insulation - at drives etc. -12V isn't used and will soon be gone from ATX PSUs - the -5V is already gone.

.bh.
 

LiquidIce1337

Senior member
Aug 23, 2005
537
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you didn't happen to get a new crt monitor did you? or new hardware for that matter.. sometimes new hardware burns plastic when it get's hot or melts it a bit.. check your graphics card and see if the fan is stil securce against the chip and ram sinks etc.. it could also possibly be a ribbon cable form a hard drive touching like a northbridge/southbridge chipset on your computer or cpu or gpu any really hot spot could be bruning a wire and plastic smells really bad..

hope I could help.
 

ClydeFrog51

Member
Jul 31, 2005
68
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did you install any new things with LEDs becuase i had a burning smell when i plugged my LEDs on the front of my case, but it went away in an 1hr
 

gsellis

Diamond Member
Dec 4, 2003
6,061
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Originally posted by: Jmmsbnd007
the furnace shorted out
that explains a few things
Winner (well Loser, but winner for the burnt smell)

PC: "I'm innocent, I swear"
<Off camera, you can hear the furnace giggling>

 

Diasper

Senior member
Mar 7, 2005
709
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I take it that's a 350W smartpower PSU?

I have exactly the same setup as you and that PSu couldn't hack it when I overclocked my CPU - in short it melted but luckily didn't take any other components out with it.
 

0roo0roo

No Lifer
Sep 21, 2002
64,795
84
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inspect carefully, no smell is normal. i once had a smell and it was really strong... i looked at the pc and it looked normal. it wasn't until it failed to boot a few days later that i noticed the psu power cable had welded itself to the m/b.... the melted scortched bit was facing the back of teh case where theres no clearance so i didn't see it lol:) even after i took it out i couldn't separate the two plugs.