Games cause screen(s) to go black, graphics card stops working, and then crash

[Microsoft Windows]

CPU: Intel Core i9-9900KMotherboard: GIGABYTE Z390 AORUS ELITE-CFBIOS: F10RAM: Corsair Vengeance LPX 16GB DDR4 3200mhzGPU: NVIDIA GeForce RTX 3090 24GBPSU: Corsair RM850xStorage:SSD Western Digital SN750 black 1TBHDD Western Digital WDC WD10EZEX 1TBScreen 1: KOORUI 27E3Q 2560 x 1440, 170Hz (plugged through Display Port to GPU)Screen 2: Samsung LF24T35 1920 x 1080, 75Hz (plugged through HDMI to GPU)Context: everything worked fine until 2 days ago when I changed one of my screens (Samsung FHD 24' 60hz, HDMI plugged into the MB) for a new one (Koorui QHD 27' 170hz, DP plugged to the graphics card

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