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Application block from accessing graphics hardware - OR Display Driver stopped responding

post #1 of 6
Thread Starter 
Hey guys, I need some help, I'm pulling my hair out.

Specs -

Windows 10
Samsung EVO and PRO ssd's.
2 x 980 GTX reference
4790K CPU
Asus Maximus Hero VII
2 x 8Gb Corsair Dominator @ 1600mhz

Machine is running stock clocks and voltage.

When playing games, I randomly get crashed to desktop, or black screen with reboot. When it crashes to desktop, typically it will say in the event viewer "Application Fallout4.exe blocked from accessing graphics hardware" or "Display Driver stopped responding".

I have tried increasing TdrDelay in registry with no luck. I have latest drivers, no help either.

I have noticed randomly, sometimes one of my GPU's will be running at PCI x 1 rather than x8. Wonder if this is related?

My RAM passes memtest no trouble as well.

Ideas??? I have reinstalled windows, updated latest drivers and BIOS for everything. Absolutely at a loss as to the problem here.
post #2 of 6
Try working your 980s one at a time. Do try both the pcie slots you are using for each card.

Any info about the psu that is powering your machine up?
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CPUMotherboardGraphicsRAM
i5 6600K Asus Z170-A MSI GTX1070 GamingX 2x8GB Hyperx DDR4 2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB Noctua NH-12S Win 10 64bit Pro Dell U2312HM 
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post #3 of 6
Thread Starter 
Hey mate, running a Seasonic 1050W X-Series, so should be a good quality PSU I thought for the job.

I tried reseating them last night, and haven't had any dramas since then, but it's so intermittent it's hard to say. I noticed that when the top card was mounted I'm not convinced it was sitting quite right, as the backplate seemed to be pulling the card back out of its slot.

Does this sound at all plausible???
post #4 of 6
Your psu is a solid one. But, I can't see how the backplate could interfere. If the card goes all the way in and the locking mechanism of the pcie slot manages to hold it in place, then you shouldn't have any issue...
The Bottleneck
(11 items)
 
  
CPUMotherboardGraphicsRAM
i5 6600K Asus Z170-A MSI GTX1070 GamingX 2x8GB Hyperx DDR4 2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB Noctua NH-12S Win 10 64bit Pro Dell U2312HM 
MonitorPowerAudio
Samsung S24C650 XFX TS 650W Gold Asus Xonar u7 
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Reply
The Bottleneck
(11 items)
 
  
CPUMotherboardGraphicsRAM
i5 6600K Asus Z170-A MSI GTX1070 GamingX 2x8GB Hyperx DDR4 2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB Noctua NH-12S Win 10 64bit Pro Dell U2312HM 
MonitorPowerAudio
Samsung S24C650 XFX TS 650W Gold Asus Xonar u7 
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post #5 of 6
Thread Starter 
Sorry, I knew that comment would be a little hard to explain.

The plate I'm referring to is the PCI plate at the back of the case. The problem is, when the card is in the PCI slot, the brackets don't quite align with the case screw holes. So when I screw them in, I feel that this is 'pulling' on the card, and causing it to possibly start angling out of the slot.
post #6 of 6
Has your gpu "clicked in" while reseating it in the slot? If so, even if the alignment is not that good, the only way of getting itself unmounted is by breaking first the lock of the pcie slot.
The Bottleneck
(11 items)
 
  
CPUMotherboardGraphicsRAM
i5 6600K Asus Z170-A MSI GTX1070 GamingX 2x8GB Hyperx DDR4 2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB Noctua NH-12S Win 10 64bit Pro Dell U2312HM 
MonitorPowerAudio
Samsung S24C650 XFX TS 650W Gold Asus Xonar u7 
  hide details  
Reply
The Bottleneck
(11 items)
 
  
CPUMotherboardGraphicsRAM
i5 6600K Asus Z170-A MSI GTX1070 GamingX 2x8GB Hyperx DDR4 2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB Noctua NH-12S Win 10 64bit Pro Dell U2312HM 
MonitorPowerAudio
Samsung S24C650 XFX TS 650W Gold Asus Xonar u7 
  hide details  
Reply
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