LowLevelFatalError within minutes

Happens within minutes of starting up, regardless of being in menu or in game. How do I fix?

Platform: PC/Steam

Error: LowLevelFatalError [File:Unknown] [Line: 200] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - ‘HUNG’)

Windows is up-to-date excluding v2004 update. Nvidia drivers are up-to-date (v452.06). Verified cache. Rebooted PC.