My BIOS is up-to-date and I have a compatible CPu, Ryzen 5 5600xYou'll need a compatible CPU.
Also, the highlighted line in your photo suggests you maybe haven't installed the requisite mobo BIOS update and enabled the feature there.
![]()
GeForce RTX 30 Series Performance Accelerates With Resizable BAR Support | GeForce News | NVIDIA
Support available now for all GeForce RTX 30 Series Founders Edition graphics cards, and select GeForce RTX 30 Series laptops.<br/>www.nvidia.com
Problem solved, this whas indeed the issue.Did you check to see if you have the latest vBIOS for your GPU? Make absolutely sure to download the correct one or it can brick your GPU.