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3080 - all screens go black but PC still running more info inside (self.pcmasterrace)

submitted 1 year ago* (last edited 1 year ago) by WontonSoup to c/pcmasterrace

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Looking for recommendations on how to diagnose this weird issue I had for the second time today while playing Baldur's Gate. Previous time it happened was playing wow.

Anyway, what happens is my screens all go black but the game is still running, just no video output. I can still hear discord, the game running, music going etc. Just no video out.

My GPU seems to run hot for my taste (80C max) during intensive times playing games but from what I read that is a totally safe temp for a 3080. Generally around 50-65 though during normal play

For reference, I had this card for a while but just rebuilt most of my PC with a new processor, motherboard, 1000W PSU, new ram and case that I put extra fans in. This happened once in my old build and now a second in my new one.

Is this an issue with the card, the power going to it not being sufficient or something else... I am well under the wattage rating for my PSU so unless its an issue with the power in my apartment I am lost. 0 other issues with gaming or heat.

Please give any advice how to diagnose or what to do

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[–] socap 1 points 1 year ago

Had the same symptoms - namely the graphic card "crashing" under load - on a 2080Ti. Temps were reported as high in OpenHardwareMonitor, but nothing worrying. Turns out the thermal paste had been badly/inconsistently applied on the GPU from factory. Re-applied thermal paste correctly, and the card has been running perfectly ever since. I'm not saying it's the same for you : it can be a lot of other things. But i would never have thought of a thermal paste issue on a new card, and this issue had been bugging me for weeks, and of course it's the last thing I tried.