black screen under load

Hey guys, first time posting and I really need some help. My Samsung Odyssey G7A goes dark and then reconnects randomly under specific circumstances. The black screen doesn’t last very long and looks just like if the monitor were to lose connection for 1s. I can’t put my finger on what it is...

Hello, My PC kept black screening a couple of moths ago so i replaced some parts to fix the issue. I replaced everything but the GPU. Whenever my PC is under load, the screen goes black. My assumption is that this is a software issue but i don't know for sure. I've reinstalled windows 10 twice...