"nvidia GPU Attach client failed 0x0"

For some reason the GPU is not working, systemctl status nvidia-powerd says nvidia GPU Attach client failed 0x0 . nvidia-smi says No devices were found. This is my configuration, I’ve tried disabling parts of it and rebooting after each rebuild: imports = [ # https://github.com/nixos/nixos-hardware inputs.nixos-hardware.nixosModules.asus-zephyrus-gu605my # my laptop has the exact same model number ]; services.xserver = { enable = true; # (I only use kde wayland) videoDr...