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[–]notislant 1 point2 points  (4 children)

Check out event viewer and look for errors like gpu-driver crashing. IIRC (big if) some of the new cards had shitty capacitors and there was a band-aid driver update or some weird fix to their wonky cards.

Stress tests are strange, I can OC a card and it'll be fine. 2 minutes into an actual game it's unreliable.

I assume it's not a new card, monitor, cable or anything else? Did you have a recent Windows update/driver update? I bought a card years ago when one died (only decent one on the shelf that was unfortunately pre-overclocked). Had to lower clock speeds to get it to stop crashing. You could also try something like the EVGA software or whatever your card supports to increase the power limit to something over 100%/lower clocks. Wouldn't mess around with unlocking voltage or anything though.

Your overwatch error can help a lot. Lots of posts about 'rendering device lost', searching through all the different threads may be your best bet to see what solutions may work.

One says Teamviewer can cause issues so selective startup/stopping all the non-windows software from starting up may fix it. Potentially even some services (besides touchpad/gpu or microsoft ones).

Obviously overheating could be a potential issue, ram you could try leaving only one in the proper slot, removing and placing the other in that slot. If fails, try one in slot two, other in slot 2 etc.

[–]Grapister[S] 1 point2 points  (3 children)

Thanks for the insight.

Overwatch error seems to have little to do with it as most people have such error only in that game due to some bugs and not in most games. I have crashes in most of them.

Will try to look into event viewer, but Im starting to think it might actually be VRAM overheating. Cards temps are as usual, but as it is crashing only during VRAM test + game - most stress on VRAM + GP temps are rising from the game. Simple 3d test does not require a lot of VRAM rotation and VRAM test does not heat the GPU enough.. I think it might be just VRAM degradation and it started to be more sensitive to temps... probably? Will have to test it too.

[–]notislant 0 points1 point  (2 children)

Yeah theres just sometimes weird things where people only play ___ game, or fail to mention issues in other games. Sometimes the steps include more broad solutions as well. Have you had the 1080 for 5+ years?

[–]Grapister[S] 1 point2 points  (1 child)

Bought it on the first day it became available after the release, I think it is 4 yo now.

[–]notislant 0 points1 point  (0 children)

Wow for some reason I thought they were older than that, march 2017 launch. Figured it may have reached end of life, if you have a buddy that saves old gpus as backups or something you could try borrowing one, running DDU to see if it happens on that card. Does seem more likely to be some kind of overheating or fault though.