Could a PSU cause a GPU to not allocate enough bytes and crash games?

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johnsta13

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Sep 13, 2013
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I get the error DXGI_error_device_hung during gameplay of BF4 and Star Citizen, when loading Natural Selection 2 in 5760x1080p (but I can actually play 1920x1080p in like 140+ frames) and when loading into (past the menu into the game) of 7 Days to Die. I'm wondering if, since sometimes I can play these games just fine, my PSU is not powering my GPU enough causing an error which crashes my game and gives me the error. Sometimes the error says this (http://imgur.com/8Byop8R) and sometimes the error is just "failed to allocate 4XXXXXXXXXX" whatever number "bytes. Program will now" quit--or something like that. PNY RMA and stress tested my card. Think its my PSU?

Edit: Specs were wrong :p also, perhaps I should have added that this issue persisted through me replacing my mobo, processor, and RAM and multiple clean installs of both Windows 7 Ultimate and Windows 10 Home and Pro.

Specs:

PNY GTX 780ti @3Gb
i7 5820k
AS Rock X99 Extreme4 LGA2011-3 ATX Intel Motherboard
Silencer MK III 750W
16GB RAM
 
Solution
T
If you run out of VRAM, graphics info will just start being stored in normal RAM. Your performance will drop (become system memory has much lower bandwidth/higher latency than VRAM), but it shouldn't crash. It's the same idea as when you run out of RAM and the OS starts using the pagefile.
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Gam3r01

Gam3r01

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Jan 12, 2013
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Thats likely not due to your power supply, but you bring up issues in your specs.
Your processor and motherboard, theres w things wrong there. The 4690k is an i5, not an i7, and thats not a processor that fits into the x99 platform.
What processor do you actually have?
 
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johnsta13

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Sep 13, 2013
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Upated :)



Wouldnt PNY have discovered that during their stress tests?



Check the edit, I added more about the software side of things.
 
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dudmont

dudmont

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Feb 23, 2015
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vram usage is a variable thing(resolution, programs, what not). I've got 780tis too, I've never run out, but I don't game on anything but 1440(single, with a 1440 widescreen doing other stuff than gaming). Your single screen test would only serve as "possible" proof of this. You're asking your graphics to push only 1/3 less pixels than 4k requires. When you bring up any of those games on the 3 screen setup, do you run GPU-z? GPU-Z can tell you how much Vram is being used. It would eliminate this possibility real quick, if you're only using 2-2.5gbs.
 
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TJ Hooker

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Apr 15, 2014
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If you run out of VRAM, graphics info will just start being stored in normal RAM. Your performance will drop (become system memory has much lower bandwidth/higher latency than VRAM), but it shouldn't crash. It's the same idea as when you run out of RAM and the OS starts using the pagefile.
 
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