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Smoke off the motherboard

post #1 of 25
Thread Starter 
Hi guys ...

I just received my processor for my pc so I started to plug everything properly... Then when I plugged it in the wall , I turned on the psu then I saw smoke coming off near the cmos button on the 750i model.. I am very stressed now ... Does everything in my pc just died since there was smoke or only the motherboard?? I am too scared to plug everything on again I removed my processor and depluged everything... I am just very scared that everything died... Please let me know ....

Can I plug only my motherboard to the psu and see if smoke will come out again or I absolutely have to put the processor in the motherboard?

I just feel like crying now

Thanks alot ,
Sam
Edited by lastmemory - 12/24/08 at 11:47pm
post #2 of 25
Well, I think if you select 240 VAC on the PSU, when in fact you are running 120 VAC, it just shouldn't work, but I guess that could be a possibility.

Other than that, or you had something grounded to the case that allowed current to flow the second you flipped the PSU on, either way, you are probably looking at a lot of bad components.

Sorry for your loss.
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post #3 of 25
not to freak you out but I believe it can but since it was on the initial start up I would think that the board would not have taken everything with it. I hope everything is good for you because I know every time I do a build the first power on for me is always a scary time.
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post #4 of 25
It may have taken other components out with it, but my guess would be it didn't.

I would check to make sure there are no grounding issues (especially on the back of the motherboard), and that your PSU is switched to the correct input Voltage (115/220).

I would double check to make sure everything is setup correctly, then try starting it up again. It could have just been that board's time to go - in that case, I would just RMA it.
Edited by Choggs396 - 12/25/08 at 12:05am
    
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post #5 of 25
Thread Starter 
Thanks for answers guys but can I plug only the motherboard ( with no component plugged on ) just to see if it still works?

Or how could I test it to see if it works?


Thanks
post #6 of 25
Just RMA it...that way you don't blow more parts...there really isn't much you can do after you see smoke...if the board smoked its done. RMA it and then test the rest of your parts with the new MB...you might also want to check the PSU...smell it and see if you smell any burning smell...you can't miss it.
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post #7 of 25
Quote:
Originally Posted by lastmemory View Post
Thanks for answers guys but can I plug only the motherboard ( with no component plugged on ) just to see if it still works?

Or how could I test it to see if it works?


Thanks
It would be practically impossible to tell if the motherboard was completely functional if no components were in place (i.e. CPU, RAM, GFX card), because those are required for your computer run/boot up and display the BIOS on the screen. Some peripherals you don't necessarily need to test motherboard functionality are the Hard Drive, CD/DVD drive, expansion cards, etc.

Quote:
Originally Posted by DIRTYDUCK View Post
Just RMA it...that way you don't blow more parts...there really isn't much you can do after you see smoke...if the board smoked its done. RMA it and then test the rest of your parts with the new MB...you might also want to check the PSU...smell it and see if you smell any burning smell...you can't miss it.
I agree
Edited by Choggs396 - 12/25/08 at 4:52am
    
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post #8 of 25
What you are looking for is to check if it can POST. Pretty sure you need the RAM, CPU, and video card plugged into the mobo for it to post. Plug into the wall, plug keyboard and monitor in, and turn on. If it turns on and goes through POST (Power on Self test), everything should be good.

BEWARE! You saw smoke so your mobo could take out those parts with it. Might have to RMA more parts if that happens.
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post #9 of 25
Before you try starting it up again go over ALL of your connections and check your motherboard surface/backside. Smoke from the motherboard is NEVER a good sign. Sorry for your loss mate.

And you can test your motherboard without the components but your cpu must be in place though. First thing i would check is your psu. Test it with a multimeter and be sure if it has a input-switch, that its in the right place.
post #10 of 25
Thread Starter 
Okay going to test my psu... I took off the motherboard... I can smell the smoke but I cant see any burn mark...I hope god is with me lol

PSU smell nothing than new..I can't see the 115/220 volt red switch too...

http://alphaware.ca/ > powersupply > hpc-500
Edited by lastmemory - 12/25/08 at 5:02am
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