1fps with 4090

My super just arrived. Installed and finished the setup. Then when I open the steamvr, OMG. It lags so much that is barely usable, then when I open any game even a vr video player the frame rate goes to 1fps. I have a 4090 with 64gb ram. When I look at the system usage, even when only the steamvr open, the vram is maxed and share gpu ram goes to 35gb. The ram is also 60-70% used, with CPU almost idle. I have no idea what the hack is going on, been messing with it for whole night, no luck. Weirdly the Aircar game(with steamvr off) runs smoothly with gpu only at 40%.