blackscreen after more ram

Firstly, I would like to quickly go over my issue and then I'll say what I've tried already. Specs: - MSI MPG X570 Gaming Edge WiFi -AMD Ryzen 5800X -RTX 3080Fe - Cooler Master 850W 80+ Gold Rated MWE PSU - 500GB Sabrent NVME SSD - Noctua DH15 I have used my PC for two years now and I decided...