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GPU Appears to be Crashing

Hello,

I've recently rebuilt my PC with the following specs:

OS: Windows 8.1 x64
Monitors: Asus VG248 @ 144 Hz refresh rate / 1920 x 1080. Using Display Port.
GPU: Asus Strix Nvidia GTX 980
Audio: Razer Kraken 7.1
CPU: AMD FX 8350
Motherboard: Asus M5A99FX Pro R2.0
SSD: AData SX900
RAM: 32 GB Corsair Vengeance DDR3 @577MHz

Problems arise when I try to run games or my benchmark tool:

Dying Light
Borderlands Pre-Sequel
3D Mark

When I launch the game / program, it seems to be loading fine, then just as I'm about to resume play, the display goes dark and says there's no signal. I've combed through Event Viewer looking for clues, but I'm only seeing the errors related to the forced shutdown I must do every time to regain access to Windows.

-Video drivers are up-to-date
-I am currently not overclocking the CPU or GPU
-DP drivers for the display is up-to-date
-No errors or issues in DxDiag (see attached file)
-Complete system specs uploaded (see attached file)

Your insights will be much appreciated.

Regards,
Brad
DxDiag.txt
BRADLEY-WIN8.txt
Comment
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Quid, Me Anxius Sum?  Illegitimi non carborundum.
Commented:
Power supply?  Card requires at least a 300 watt PSU.  What is yours?

6 or 8 pin power supply cable connected to card?  If connected then unconnect and reconnect to make sure the connection is good (with power off).

Try Furmark http://www.ozone3d.net/benchmarks/fur/ and see if it crashes on that.
Bradley DorranceHelp Desk Analyst

Author

Commented:
Hello, and thanks. The PSU is a Corsair AX860.

After reading your comment, I took a closer look at the video card. It has both an 8 and 6 pin power connector. Apparently, both need to be connected, because when I added another connection, the problem went away, and I'm getting WoW at 115 FPS on ultra.
Bradley DorranceHelp Desk Analyst

Author

Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for Bradley Dorrance's comment #a40632037

for the following reason:

Found another power connection on the GPU. This resolves the issue.
Bradley DorranceHelp Desk Analyst

Author

Commented:
Very helpful, thank you!