PC Randomly Shuts-down

Stevictory · Jun 30, 2013

I recently built a computer specifically for gaming about 20 days ago. However, in some games my pc will shut off/reset randomly. I first discovered this when i was trying to play the single player campaign of Modern Warfare 2. Within the first minute of loading the game my pc will just restart. However, when i loaded up multiplayer the game ran without problems. At that moment I thought in my head that it was maybe just the drivers. However, today while i was playing GTA IV with a friend my PC shut down/reset after about 15 minutes. What confuses me is that other games that are more GPU and CPU intense run without any problems while these two do not. For example, I can play a game like Saints Row: The Third and Sniper Elite V2 with everything on max for hours at a time without any problems. What could be causing this problem and are there any ways on fixing it?

CPU: Intel i5 3570k
GPU: EVGA GTX 780 w/ ACX cooling
RAM: Corsair Vengeance 16 gb (2x8gb)
MOBO: ASrock z77 extreme 4
PSU: RAIDMAX RX-1000AE
HDD; Western Digital Caviar Black 2TB

P.S: Sorry if i posted this in the wrong thread as I am new here

realchaos · Jun 30, 2013

Did you overclock?
If I were to guess, it may be a psu failure as Raidmax psus are bad quality.
Try testing one stick of ram at a time and see if the issue still persists.

Stevictory · Jun 30, 2013

realchaos :

I could try the psu in my old computer which is a 700w tomorrow morning and see if that works. I do know it's not my ram as I have already tried that. If it does happen to be a faulty psu, what brands are good if I were to RMA it for credit (newegg)?

Edit: Yes I have my 3570k overclocked to 4.2 ghz. I already tried setting it back to stock and I still get the same problems.

boju · Jun 30, 2013

have a read here mate and buy yourself a better psu. Seasonic or Corsair. Quality units, Corsair's components are from Seasonic, so either.

http://www.tomshardware.com/forum/330241-33-tomshardware hunter315's reply

Stevictory · Jun 30, 2013

boju :

I'll try my old 700w psu and if it works with that, then I know for sure it is the psu and I can close this topic. If it happens to be the psu, what would be a good model for my rig considering a few overclocks?

boju · Jun 30, 2013

750w i would recommend. i have 750w Corsair running i7 920 @ 3.9ghz and Gigabyte 780gtx oc, hdd + ssd + dvd rom with no problems.

Stevictory · Jun 30, 2013

boju :

Turns out it was the PSU. What sucks is that I cant RMA it because it's like six days over so i guess that's a waste of 120 bucks. Thanks for your help boju.

realchaos · Jun 30, 2013

Do you plan to SLI the GTX 780? If you do, grab an 850w. Otherwise, a quality 550-600w is fine.

Stevictory · Jun 30, 2013

realchaos :

I will at some point later on, but for the next 3-5 years ill be sticking with one. Who knows, by then it will probably be better to just get a new card. Also, I got a corsair 750w gold certified for 120 bucks.

realchaos · Jun 30, 2013

A 750w isn't recommended for SLI 780s and overclock. It won't work or it'll be cutting it extremely close, which isn't good.

Stevictory · Jun 30, 2013

realchaos :

Alright, I'll just stick with one card then because at the moment with my monitor size and spes there is no need to get two.

realchaos · Jun 30, 2013

Did you buy the psu yet? Because you can get the XFX 550w for like $50-60 and it'll run your computer perfectly fine.

Stevictory · Jun 30, 2013

realchaos :

I already ordered it. I knew I could get lower wattage, but with the amount of fans I have in my case, overclocked cpu, and overclocked gtx 780 I wanted to be on the safe side and get a 750w.

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