diff --git a/modules/tuxedo-rs.nix b/modules/tuxedo-rs.nix
index fc348ac..37a6765 100644
--- a/modules/tuxedo-rs.nix
+++ b/modules/tuxedo-rs.nix
@@ -1,6 +1,15 @@
 { config, pkgs, ... }:
 {
-  # Much quieter CPU fan on AMD Ryzen Tuxedo laptop.
+  # Much quieter CPU fan on Tuxedo AMD Ryzen laptop.
+  # https://github.com/AaronErhardt/tuxedo-rs?tab=readme-ov-file#nixos
+
+  # Check if the configuration is still valid:
+  #   systemctl status tailord.service
+  #   #=> Starting Tuxedo Tailor hardware control service...
+  #   #=> INFO start_runtime: tailord: Starting tailord
+  #   #=> INFO start_runtime: tailord::profiles: Loaded profile at `/etc/tailord/active_profile.json`: ...
+  #   #=> INFO ...
+  # There should be no error messages!
 
   hardware.tuxedo-rs = {
     enable = true;
@@ -8,7 +17,19 @@
     # tailor-gui: Rust GUI for interacting with hardware from TUXEDO Computers.
     tailor-gui.enable = true;
   };
-  environment.etc."tailord/fan/default.json".text = ''
+
+  environment.etc."tailord/active_profile.json".source = "/etc/tailord/profiles/custom.json";
+
+  environment.etc."tailord/profiles/custom.json".text = ''
+    {"fans":["custom"],"leds":[{"device_name":"platform:tuxedo_keyboard","function":"kbd_backlight","profile":"custom","mode":"Monochrome"}],"performance_profile":"power_save"}
+  '';
+
+  environment.etc."tailord/keyboard/custom.json".text = ''
+    "None"
+  '';
+
+  # https://github.com/AaronErhardt/tuxedo-rs/blob/910e73794b80843faa49a630d7c2a114daef508c/tailord/src/fancontrol/profile.rs#L122
+  environment.etc."tailord/fan/custom.json".text = ''
   [
     {"temp":50,"fan":0},
     {"temp":55,"fan":10},