Black screen then reboot with gtx 770sli

Snake plisken

Reputable
Dec 28, 2014
8
0
4,520
My computer specs are:

windows 8.1
i5-4690k
8GB kingston hyper 1866 ram
2x gigabyte 770 gtx
240 gig samsung evo
850 watt evga super nova

I have been having a reccuring issue for the past week were if sli is enabled my computer will occasionally go to a black screen and then reboot. it seems to work fine without sli

The problem seems to get better or worse at random and i have thought i have had the problem solved several times but to no avail, it is worse during gameplay but will occur on the desktop with some regularity as well.

I have tried taking everything out and resetting it to make sure all the connections were working properly, i have taken off all oc off my cpu i hadnt yet oced my gpu as it wasnt needed.
i have done mem tests on my ram.
i have done a fresh re install of my nvidia drivers and os.
i have tried each gpu alone to make sure they are each working and they are.

 

Snake plisken

Reputable
Dec 28, 2014
8
0
4,520
Update: I replaced my power supply with a Cooler Master v1200 platinum.

The problem seemed to get better for a day, but then the next day the same problem, still dosnt seem to happen when sli is turned off
 

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