PSU or motherboard failure?

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Hotbbqwing

Honorable
Nov 1, 2013
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Specs:
AMD 8350
Gigabyte r9 280x factory over locked
GA 970 motherboard
Coonix 700 watt PSU
I just bought battlefield 3, and decided to test it out on full settings. I was going good for the first mission, then my computer died. Now it does not start and I get no response when I press the power button. I was running core temp, and the CPU stayed under 65 degrees Celsius while running. I noticed some warm air being pushed out of the case, but not too hot. When it crashed, I took off the side of the case, and the air inside the case felt pretty warm. I am not overclocking anything, except for the factory over clocked GPU. What do you think is wrong?
 
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rage33
a corsair PSU is a great choice, although for your rig you could probably use a little less power if you wished to, somewhere around 550w to 600w would do the trick, however if you found a good deal 700w would be perfectly acceptable.

When a PSU fails there is always a risk that it took out some of your components on it's way out. hopefully that isn't the case. You probably won't know until you connect everything back up though. :??:

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Tradesman1

Tradesman1

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Jun 5, 2013
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I'd try another PSU, if you don't have one, see if you can borrow one to test with, not familiar with your PSU, but for a 280X you want at least a good 550X and 30amps on the 12volt, many PSUs advertise peak wattage and often run continuous at 100-150 watts under peak
 
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rage33

rage33

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Apr 18, 2010
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Uh? I've never heard of the PSU brand "coonix", I'd start there first. If something in your system started getting close to its thermal limits your motherboard by default with shut everything down as a safety precaution, however you should have been able to power back up once it cooled back down.

You may also try disconnecting the power from the wall to your PSU and flip the switch it the off position, then check all your connections inside the case to make sure everything is well seated onto the motherboard. If your PSU is the culprit make sure your careful about which one you choose to replace it with, a lot of times to save money we'll get a cheaper PSU and generally they just are not reliable and we tend to experience similar problems.
 
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Hotbbqwing

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Nov 1, 2013
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I will try borrowing my friend's PSU, and see if that works. On a side note, the PSU felt extremely hot, after the system died on me. Could that be a sign of anything?
 
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Hotbbqwing

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Nov 1, 2013
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I noticed the weird brand name too. I originally bought it pre-built, but since then I have thrown in upgrades, so all that is the same is that PSU and the Motherboard.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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_________________________

Yeah, may have fried something inside...
 
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rage33

rage33

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Apr 18, 2010
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Ah! good copy. I'd say the PSU is most likely the problem, pre-built systems are notorious for putting terrible PSU in their PC's. Hopefully nothing is damaged. Let us know and we can help you pick out a new PSU.




 
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Hotbbqwing

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Nov 1, 2013
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Do you think a corsair 750w with a gold rating would be a good choice? Also, what are the chances something was damaged if my PSU overheated and then died?
 
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rage33

rage33

Distinguished
Apr 18, 2010
466
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18,860
a corsair PSU is a great choice, although for your rig you could probably use a little less power if you wished to, somewhere around 550w to 600w would do the trick, however if you found a good deal 700w would be perfectly acceptable.

When a PSU fails there is always a risk that it took out some of your components on it's way out. hopefully that isn't the case. You probably won't know until you connect everything back up though. :??:



 
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