Asus motherboard white light permanently on and black screen?

Hello, I've been having a problem with my graphics card for some time now. When I boot it up, a white light constantly glows on the motherboard and the screen goes black. I've had this problem since I was playing Flight Simulator 2020 and the computer crashed in the middle of the game. My cobbled-together computer is also relatively new, about three months old.

I removed and reinserted both RAM sticks, and it worked until I played Flight Simulator again and the computer crashed again. The graphics settings were turned up.

I also updated the BIOS most recently. The cables are securely connected. The graphics card fans are working, and there's no burning smell. Resetting the CMOS didn't help. The computer works with the motherboard GPU, and it boots normally.

kind regards

– Asus motherboard rog strig b650 ef

– AMD Radeon RX 7900 XTX 24GB graphics card

– CPU AMD Ryzen 9 7950X3D

– 2 x RAM bars Kingston FURY Beast EXPO DDR5-6000 64GB K2

– WD Blue SA510 SATA SSD 1TB M.2 2280