PC shuts off while playing games/running benchmarks

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VleNik

VleNik

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Apr 29, 2014
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Greetings... I realy hope that one of you guys have any idea what exactly is causing this....
My computer shuts off only when I play games or when I'm running benchmarks (3DMark...)

First of all my setup:
- GPU: GeForce GTX 780 - Firmware 337.50
- CPU: Intel Core i7 4770K @ 3.50 GHz (not overclocked)
- 8 GB RAM
- PCU: KissQuiet 800W
- Mobo: Gigabyte Z87M-D3H

Temperatures are not high while in idle mode
GPU: 29°C
CPU: 40°C

I've run a stresstest (Sensortest) with RealTemp & Prime95... My highest temp was 60°C
I also searched google and checked several forums... but none of these gives a solution to my problem...

Anyone have an idea? Please ask if I need to post more info about something...
 
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VleNik

VleNik

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Apr 29, 2014
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So, it could be the PSU I suppose..? Weird thing is, the PC is around 1 year old... And during the year it happened once a time... But now it happens every single time when I'm trying to play a game with some graphics...
Is there a software where you can monitor the consumption of the PSU?
And, which PSU do you recommend?

EDIT: I've searched the web about KissQuiet... It's hard to find some productreviews... Apparently it is somekind of chinese ripoff... So I think this PSU is causing my PC to shutdown...
Could I get any advice in buying a new PSU?
 
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dogxspit

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if youre forced to replace the psu make sure to get one that is at least equal output specs but is even better to bump up a bit to ensure scalability for any future upgrades. psu is arguably the most important component in a computer. It never fails to amaze me how people plan builds with fancy CPUs, grapics cards solid state drives etc and go cheap when it comes to the PSU. A cheaply made PSU will become faulty and when it goes, it can easily take other components with it, even the entire mother board. I'd suggest going with a good reputable brand like Corsair, Thermaltake, Ultra etc. But my point is, generally if you're buying a PSU for 10-20 USD, you're pretty much getting what you pay for and are asking for problems down the road. Good luck!

on a side note, you could also check to ensure that all cable connections too and from anything are seated properly and making good contact. If a cable is not seated properly it can still function until it gets hot and then malfunction. Just a thought. Cheers
 
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VleNik

VleNik

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Apr 29, 2014
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Thanks for your reply.
I agree with you. I think my PSU is causing this problem because I've checked every cableconnection and they were doing fine as far as I know... Also, no one ever heard of the (Chinese) brand KissQuiet so this could be one of the 'cheap' PSU's. (eBay: 56£ ~ 70 € ~ 95 $)...
Thing is, I hope my new PSU (think of buying Corsair RM750) will fix this problem...
 
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dogxspit

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My pleasure, and yeah, that 750 watt corsair should be more than plenty of juice for your current set up unless you plan on some really outrageous upgrades in the future. let us know how it works out for ya mate. Again, good luck!
 
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VleNik

VleNik

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Apr 29, 2014
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Well, I've been to a computershop today and explained my problem.. The guy at the shop said it could be my gigabyte motherboard? The i7 4770 and my Asus GeForce 780 are 'asking' too much info which my mobo can't process and the power fails?!... anyone have experience or advice with this?

Sorry for the inconvenience guys..
 
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dogxspit

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I'm very skeptical of this answer as Gigabyte and Asus both are reputable boards. If the industry standards of your components are met, it shouldn't be an issue, although there are rare exceptions. Your PCIe x16 slot that your graphics card is in is rated and functioning at an industry standard so long as you don't have them extremely overclocked. Unfortunately, without having spare know working and comparable parts, you can't really isolate the issue by the tried and true "replace/test" method. I would still be pressed to say that if it isn't a heat issue, it must be a PSU that is faulty. As a CCNA with an A+ for 15 years, I would suggest trying a new PSU first. Even if this isn't the route to solving your problem, having a good back-up PSU is always a good idea for testing and catastrophic failure fixes so it wouldn't go to waste. Games and stress tests can be PSU intensive which seems to be where you're experiencing your problems. If you've reseated your ram, checked all of your cable connections, have looked at all of your capacitors on your gfx card and MB and didn't find leaking or bulging capacitors, and your CPU is not overclocked and has a proficient thermal paste application... PSU seems like the only logical starting point.
 
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VleNik

VleNik

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Apr 29, 2014
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Well, after some tests I was thinking the same, the PSU is failing... But I've been asking around with my friends and one friend said that it could be my RAM? That my RAM is getting insufficient amount of current..?
So I went to my BIOS and changed it a bit higher and I ran the Benchmark (3DMark) again... It didn't fail at all... It completed all the tests without shutting down...

I hope this is the solution, but I'm not sure... I should play for a couple of hours to find out but I haven't had the chance this weekend...
 
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