Update

hosts/guest/configuration.nix

@@ -2,8 +2,8 @@
   imports = [
     ./hardware-configuration.nix
     ../modules/fonts.nix
-    # ../modules/nvidia.nix
-    # ../modules/prime.nix
+    ../modules/nvidia.nix
+    ../modules/prime.nix
     ../modules/tuigreet.nix
     ./variables.nix
   ];

hosts/guest/variables.nix

@@ -28,6 +28,6 @@
     # change the nvim's obsidian configuration if you want to enable that:
     obsidian = false;
 
-    theme = import ../themes/catppuccin.nix; # select your theme here
+    theme = import ../themes/nixy.nix; # select your theme here
   };
 }