Completely lost on pc issue..

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kreepykonl

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Apr 28, 2017
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My pc the past two days hasn't been been booting properly. I initially fixed the issue the first day by messing with wires, but it continues to do the same thing. *It will boot up for 2 seconds before turning off.* I made sure every part was working down to the case. I literally just used it last night.. after tinkering.
I reseated everything and even replaced motherboard cmo battery.
My honest opinion, the motherboard is the problem.
Coming into my room today, the pc was turned on with nobody in the house, running fully operational bios.
I can't find anything like this online to refer too, and I am about to throw the thing out the window.
(I should also mention, I can't turn it on with the power button but can shut it off when it is on.)

Is it possible for a shorted motherboard to work????

MB: Sabertooth 990fx R.2
CPU: AMD FX8730
RAM: 16gb GSkill Sniper 1866mhz
GPU: XFX RX 470
PSU: EVGA Supernova G2 650w
 
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weberdarren97

Glorious
Aug 10, 2015
8,137
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Thank you for the detailed information on your issue. It saves us a lot of time.

I have a question. If you take everything out of the case and place it on a non-conductive surface like a wooden desk or table, does the issue still occur? If not, the problem is likely that your motherboard is shorting out against your case.

TBH, this sounds like it could be the motherboard, but it also seems like power delivery from the power supply could also be playing a part. I'd like to eliminate a possible short from my list of possibilities before you go out and buy something that you may not actually need.

That being said, your current motherboard and power supply are excellent quality parts. How long have you been using your motherboard? What about your power supply?
 
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Lookin4Info

Commendable
Mar 2, 2016
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I'd probably say it's a power supply problem. There is such a wide range of problems this could be, to name a few though. Power supply, Processor power, faulty Motherboard, possibly even RAM but I doubt that.
 
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weberdarren97

Glorious
Aug 10, 2015
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While I can't entirely disagree with you, I'd still like for OP to try his system outside the case before buying a new power supply. If the case has a standoff that's touching the back of the motherboard (not lined up with the holes in the board), that can cause a short and can cause seemingly complex issues.
 
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kreepykonl

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Apr 28, 2017
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The case I am using couldn't fit every standoff, as it was to far from the MB. Instead I used screws to balance it out, is it safe to not use every standoff?
 
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weberdarren97

Glorious
Aug 10, 2015
8,137
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I believe you're overthinking the issue.

The issue is likely that something metal is touching the back of the motherboard. Does your case have standoffs installed in it? These are the raised screws that hold the motherboard in place. If there are just holes in the case but no raised screws, that's your problem right there. Don't worry, standoffs are cheap. Much cheaper than a new case.

If your case has standoffs in it, please verify that all the standoffs line up with the holes in the motherboard. If there are any that do not line up with the holes in the board, use a nut driver, channel locks, or even plyers to unscrew the ones that don't line up and remove them from the case.

Since it works outside the case, your motherboard likely has not been damaged by the short. I'm sure you figured this on your own, but I put it here anyway just to offer you some peace of mind. I'm well aware of how frustrating it is to try to tackle an issue when you have no idea what's causing it or how sever it is. ;)
 
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weberdarren97

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Aug 10, 2015
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You used screws where standoffs belong? If so, that's likely your issue.
 
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