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Burning smell from my case

post #1 of 13
Thread Starter 
Heya!

I wokeup today, took a shower, made some coffee and was about to enjoy the rainy morning with playing some, you guess it, computer games! However, as I proceeded to boot the computer up, it didn't do it past the Windows logo at the boot. The whole rig restarted automatically and did the same thing again.

I noticed a slight burning smell in my room. I took a step closer to my case and yeah, there was the cause. I searched for the exact origin, but I couldn't find any. Nothing visible! I restarted once again, did the Windows repair thingy (which said it couldn't help in my matter though and said about invalid system files or something) and also reseted my *very mild* overclocks (3.7 -> 4.0 Turbo) that were at *stock voltages* too.

Then the computer booted up, just fine. I'm running fine on Windows and both my CPU and GPU volts & temps seem alright. I ran MSI Kombustor and Prime95 Blend test, both ran succesfully and without errors, with proper temps.

Any ideas? This left me a little bit worried, I mean, this can't be normal?
I can still smell a slight smoke if I put my nose between CPU cooler and the back fan, as if the smell was coming from the CPU cooler (which it can't be coming from though ). RAM? Mobo? I can't also rule out the GPU, but it really shouldn't be exhausting through CPU cooler (I have an awkward cooling setup, works great though...) and if I put my nose near it, it doesn't smell either.

At first I suspected PSU, but no, it's not PSU. I don't also think it's the hard drives either, because 1) would they smell 2) I can't smell anything near the exhaust fan over them. That system file verification error is wierd though, but I think it could be from any other component misbehaving too.

I appreciate your help My rig can be seen at the sig.
My System
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Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
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40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
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CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
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post #2 of 13
Could be your cpu, cpus might have some burn marks and still work.
(ofcourse with some degradation, much shorter life span and Bsod`s but who cares ?)
but at stock ?
it might also be your ram?
maybe you burnt one stick, or one slot, but i dont really know if its possible to get a working machine under such circumstances.
    
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i5 2500k @ 4.5 ASUS P8P67 Pro 9600 gt -_-. 4gb ddr3@1333 
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post #3 of 13
could still be psu, are you really 100% sure its not the psu the smell is coming from? I have seen perfectly working, but a bit taxxed PSU's emit a burning smell.

Could it be dust on heat sink/s? clogging video card?

Dust that beast out STAT!
Edited by Killam0n - 8/10/11 at 1:42am
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Core
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post #4 of 13
Thread Starter 
Quote:
Originally Posted by MrJackaL View Post
Could be your cpu, cpus might have some burn marks and still work.
(ofcourse with some degradation, much shorter life span and Bsod`s but who cares ?)
Of course the CPU could be damaged, but I can't see why. It has proper cooling, absolutely stock voltages, good PSU, very moderate overclocks, relatively good mobo etc.

Quote:
it might also be your ram?
maybe you burnt one stick, or one slot, but i dont really know if its possible to get a working machine under such circumstances.
Yeah, it could be my RAM too. They seem to have lots of cooling though, there's one fan at the top of the case blowing right on the sticks.

My rig still recognizes (and can allocate memory from) the both sticks succesfully, so I doubt one of them could have failed.

I also have a Lamptron Fan Controller at the front bay, from which smoke could flow through the CPU cooler. I doubt though, that wouldn't make any sense to why my Windows couldn't boot...
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
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My System
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CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
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post #5 of 13
I had a power supply do this. I didn't realize the smell was my PC until a few hours later when a family member asked me what the smell was, lol. I assumed it was some food my parents burned My PC seemed to be working perfectly fine, but the PSU was making an awful smell.
magg0rt
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magg0rt
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by Killam0n View Post
could still be psu, are you really 100% sure its not the psu the smell is coming from? I have seen perfectly working, but a bit taxxed PSU's emit a burning smell.

Could it be dust on heat sink/s? clogging video card?

Dust that beast out STAT!
Yeah, I tried once again and couldn't smell anything from the PSU. It has intake in the bottom and exhausting at the bottom back, so I think it would be clearly distinctive where it would come from if it was the PSU. :/

I have only had this rig for like a week now, so I doubt there would be that big dust buildup. If I can't find anything else, I will sure try that. I can see absolutely no dust on both CPU and GPU heatsinks which are clearly exposed to the eye :/
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
  hide details  
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
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post #7 of 13
Could be burnt dust. Clean your case with vacuum cleaner( I know you will say it will damage Pc but it won't).
Sandy love
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Sandy love
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post #8 of 13
Thread Starter 
Quote:
Originally Posted by Shame486 View Post
Could be burnt dust. Clean your case with vacuum cleaner( I know you will say it will damage Pc but it won't).
I do have canned air for that purpose. I already tried cleaning the CPU cooler and the GPU PCB carefully, but it didnd't really help.

What worries me is that would dust buildup really cause bootup problems? In extreme cases for sure, but we're talking about a rig that has been placed in a relatively clean house (not visibly dusty, really ) for _a few days_ and it even has dust filters on. The CPU temps are good too and if there were severe dust inside it, I doubt they would be much higher.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500K Asus P8P67 Pro MSI HD 6870 Hawk 2x4GB DDR3 Ripjaws-X 1600Mhz CL9 
Hard DriveOptical DriveOSMonitor
40GB Intel 320 Series SSD, 1TB WD Caviar Blue *none* Windows 7 x64 26" 1920x1200 
PowerCase
Corsair HX650W Bitfenix Shinobi Black 
  hide details  
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post #9 of 13
Check your motherboard around capacitors for burn marks.
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post #10 of 13
check your CPU TIM.
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Triggers broom
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EK big res and 2.2 pump Windows 7 Ultimate x64 HP 2159v  Razer Arctosa 
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