{ ... }: { environment = { variables = { XDG_DATA_HOME = "$HOME/.local/share"; }; }; hardware.nvidia.prime = { # Bus ID of the Intel GPU. You can find it using lspci, either under 3D or VGA intelBusId = "PCI:00:02:0"; # Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA nvidiaBusId = "PCI:01:00:0"; }; }