GPU Crashes Under Load

Kappalysm · Aug 4, 2015

Hi all and thanks for clicking.

So, recently I just got a new Graphics Card the Powercolour HD 6850, my engineer tested this card before he put it in and it passed all stability tests and games like Fallout 3, LoL and DoTA 2 run fine. However when I play a more demanding game like Archeage and Marvel Heroes I get a crash, usually a screen with brown vertical lines. I have monitored the temperatures for my CPU and GPU while playing, using CoreTemp and GPU-Z. My CPU maxes at 50 degrees on intensive loads and my GPU maxes at 70 degrees. These temperatures seem fine, although the case feels very hot. I have freshly installed drivers manually a second time and still the problem persists, thankyou for reading and if you can help me please comment below.

AMD FX-4100 / POWERCOLOR HD 6850 / 8GB 1333MHZ / GA 78MLT S2P / EVGA 500W White / 2 X 500GB HDD / 1 X DVD RW+

MtthewGervasi · Aug 4, 2015

It is not the heat off the cards but try the ambient temp in the case, would be a thought.

tiny voices · Aug 4, 2015

What PSU do you have. This sounds like a bad PSU for sure, not temps at all.

Ambient case temp doesn't matter and means nothing. The temps of the individual components are what maters, and yours are fine. This is not a temp issue.

RobCrezz · Aug 4, 2015

Could be faulty/bad quality PSU

MtthewGervasi · Aug 4, 2015

tiny voices :

I did not think of that mostly because I have a 850W and it is more than i need but it is for room to upgrade you know.

tiny voices · Aug 4, 2015

wattage is not as important as the brand/model. Quality is key with PSU, not so much wattage.

A crap 850w PSU will be a danger to the PC and could cause issues where a high quality 550w PSU would be perfectly fine in the same situation.

Saying I have an 850w PSU means absolutely nothing.

RobCrezz · Aug 4, 2015

MtthewGervasi :

I have seen some terrible PSUs that are so called "850w", where a good quality 450w is better.

MtthewGervasi · Aug 4, 2015

tiny voices :

Should I replace my thermaltake Smart 850m for a better corsair one in the future?

tiny voices · Aug 4, 2015

Corsair has their fair share of low quality PSUs.

Your PSU is not terrible but not great. It will run any single GPU you want, but I would not use it for SLI or CF personally. But seeing as how you have an OEM motherboard, you will not be using dual graphics cards. So this PSU is fine for you. Will it last as long as a quality unit? No, but it will be safe for your computer.

MtthewGervasi · Aug 4, 2015

tiny voices :

Thank you

Kappalysm · Aug 4, 2015

tiny voices :

I have a 1 week old EVGA 500W

Kappalysm · Aug 4, 2015

RobCrezz :

I'm fairly certain its not the power supply, I recently bought a EVGA 500W White brand new.

tiny voices · Aug 4, 2015

That is not the best quality PSU. Could be the issue. Are you sure your RAM is not bad?

Kappalysm · Aug 4, 2015

tiny voices :

Hmm, this psu was recommended to me by an online power calculator and i referred to my engineer and he said this PSU has power to spare with my setup. I'm not sure how to test RAM.

tiny voices · Aug 4, 2015

500w is plenty but the quality of the PSU is the issue. Not the wattage. a crap 700w PSU won;t run this build but a good quality 450w PSU will.

It simply isn;t a very good PSU.

A PC shutting down in graphic intensive games is tell tale sign of bad PSU

Kappalysm · Aug 4, 2015

tiny voices :

Okay, tonight I will run memtest to check if i got bad ram, so you're saying if my ram is fine then its 100% my PSU?

tiny voices · Aug 4, 2015

No way to be 100% sure, but that points to bad PSU, yes.

Kappalysm · Aug 5, 2015

tiny voices :

I ran memtest last night and it passed all tests, so this seems like a power issue. It's weird, I also asked which PSU to get on a different forum and I got directed to my EVGA 500w 80+

tiny voices · Aug 5, 2015

It is not a terrible PSU, but is not very good either. I would replace it with a proper unit and see if this helps.

Download and run Unigine Heaven. This is a GPU benchmark tool. If it shuts down during this, it is almost for sure the PSU.

iDURKH3IM · Aug 5, 2015

Underclock your GPU and tell me, underclock 50mhz

tiny voices · Aug 5, 2015

When it crashes, does the PC just turn straight off or does it bluescreen then shut down?

Kappalysm · Aug 5, 2015

tiny voices :

I just crashed on Warframe under 50% GPU load, the crash is it just displays a black screen, the sound turns into a buzz for about 3 seconds then it automatically reboots itself.

tiny voices · Aug 5, 2015

That sounds a bit like overheating of the CPU. What are your CPU temps under load?

Kappalysm · Aug 5, 2015

tiny voices :

My CPU runs about 25 degrees idle at 50 degrees on max load, gpu is 40 idle and 70 on max load

Kappalysm · Aug 5, 2015

iDURKH3IM :

I underclocked by 50mhz and it still crashed, however it was on for about 15 minutes longer.

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