Pc Restarts Itself While Gaming

Sparky862 · Jul 26, 2014

Now, before you tell me its overheating let me give you my specs

GTX 770 4gig oc windforce edition
CORE i7 3770k
H77M GIGABYTE MOBO
8gig DDR3 RAM

I play this game (need for speed most wanted 2012) at full graphics on 1920x1080 on my pc, and then suddenley the pc restarts by itself???? now your telling me that this game out performce my pc??????? Why do i find that hard to belive, or is there some other problems im not seeing here? I play a lot off other high end graphical games far better than need for speed most wanted 2012....games like battlefield 4, crysis 3, metal gear rising, watch dogs, tomb raider and all those games.....they dont give me crap and i play them full blast no probs...why is it only this game giving me this issue of restarting like my gpu over heats??? (which it doesnt cause i monitor my temps)

clutchc · Jul 26, 2014

What is the make/model of your PSU. Re-starts and shut-downs can often be tracked to a too small, failing, or inferior PSU.

Sparky862 · Jul 26, 2014

power rock ax 600watt psu......

clutchc · Jul 26, 2014

Sparky862 :

I've never heard of that one before, and I can't find any specs on it. I'm thinking it may be a low end unit. Does it have a 6 pin and 8 pin PCIe connector, or are you using an adapter to feed the GTX 770? If you can post a pic of the PSU's nameplate or link me to its specs and ratings, it may help. But until then, my guess would be the PSU is your problem.

Sparky862 · Jul 27, 2014

here is a link to my psu

http://www.gigabyte.co.za/products/product-page.aspx?pid=4265#kf

also, here is another link

http://www.nivo.co.za/buy~gigabyte.powerock.600.watts.power.supply.gz.powerock.ax600.~p34833

and yes, i am using the 2 adapters that came with the gpu to power my card as my psu alone does not have the 8 and 6pin connenctors to supply power to my gpu

clutchc · Jul 27, 2014

Then my original theory that the PSU may be at fault seems to have gained some strength. Usually when the PSU does not have sufficient connectors to power a 6 + 8 pin card, it is a sign the PSU is not really intended for that kind of load: 75 W (6-pin), 150 W (8-pin), plus 75W from the slot... in spite of what they put on the nameplate. Nvidia rates that card at 230W TDP and recommends a 600W PSU at minimum. Spiking higher under load is not uncommon.
Using the adapters will get you buy... until stressed out.

And there's always the possibility that the PSU is failing too. Or at least not able to maintain the steady +12V at heavy loads.

Sparky862 · Jul 27, 2014

so in all, get a better quiality psu?? what do you recomend me to get?? Also, why is it only then nfs 2012 that gives me trouble and not other high end games??

clutchc · Jul 27, 2014

Sparky862 :

Not sure why that one game puts undue stress on the GPU. Or why the rest of your games do not. If you feel my theory is wrong, try reducing the graphical settings a bit for a test and see if the issue is still present.

As for a replacement, any good quality 600W or better should be fine. They will have the proper PCIe power connectors and be designed to handle peaks and spikes. Here is a sort of hierarchy list of PSUs. Not the latest, but still current.
https://community.newegg.com/eggxpert/computer_hardware/f/135081/t/45344.aspx?Redirected=true

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