PC crashes under Graphics Load

Hello Community,

Ever since building my new PC last Wednesday, I have a rather peculiar Problem.
Whenever I start a Benchmark or a Game, my PC instantly crashes similar to the way it does when you turn off the PSU.

Sometimes Furmark, OCCT PSU Test and Unigine Valley will run for either a few Seconds or indefinitely.
However all other Programs I tried, like OCCT GPU Test, AIDA64 and any Game instantly crashes the PC.

All my drivers as well as BIOS are updated, Memtest86+ reports no errors and any CPU Stress Test runs for 6 Hours+.

If Furmark doesnt crash instantly the GPU Temperature goes up to 78-80° Celsius at 95-100% TDP. As mentioned earlier if the PC doesnt instantly crash the current Benchmark runs stable for 4+ Hours at Full Load.

After Crashing, Event ID 41 "Kernel Power Loss" is noted in the Event log.

My Specs are as follows:
CPU: Intel 4670K
Mainboard: MSI Z87-GD65
PSU: Antec High Current Pro 750W
RAM: G.SKILL 2133MHz RipjawsX 8GB

If anyone is interested in helping me I would be glad to provide any additional Information you may need.

Thank you very much in advance.
2 answers Last reply
More about crashes graphics load
  1. Did you use the molex to PCI-e adaptors or the PCI-e cables from the power supply to connect it?
  2. I have tried all the different options i have: Fixed PCI-e Cables from PSU, Cable Management PCIe Cables, Molex to 6 Pin Cable, 2x6Pin to 8Pin Adaptor and pretty much any Combination of those
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