diff --git a/common/desktop.nix b/common/desktop.nix
index a17f9ba..dc8b6ef 100644
--- a/common/desktop.nix
+++ b/common/desktop.nix
@@ -2,21 +2,17 @@
 
 {
 
-  # Enable the GNOME Desktop Environment.
-  services.xserver.enable = true;
-  services.xserver.displayManager.gdm = {
+  services.xserver = {
     enable = true;
-    wayland = false;
+    displayManager = {
+      startx.enable = true;
+      gdm = {
+        enable = true;
+        wayland = false;
+      };
+    };
+    desktopManager.gnome.enable = true;
   };
 
-  services.xserver.desktopManager.gnome.enable = true;
-
   services.logrotate.checkConfig = false;
-
-  services.xserver.displayManager = {
-    autoLogin.enable = true;
-    autoLogin.user = "dave";
-    job.preStart = "sleep 5";
-  };
-
 }
diff --git a/common/packages.nix b/common/packages.nix
index f5a5a0b..ffd9ec1 100644
--- a/common/packages.nix
+++ b/common/packages.nix
@@ -181,6 +181,7 @@ in
         minecraft
         mojave-gtk-theme
         netdata
+        nvfancontrol
         pavucontrol
         pinentry-curses
         postman
diff --git a/flake.lock b/flake.lock
index 524da52..f56216e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -81,11 +81,11 @@
       },
       "locked": {
         "dir": "contrib",
-        "lastModified": 1653533365,
-        "narHash": "sha256-tPFBnXXBf2fxHtk5e9//7BL6LbxthtYkgznjNMrx9Ls=",
+        "lastModified": 1653602345,
+        "narHash": "sha256-HJOCS3nrZn9XmdtrRYtE3c/THGSduROYN7c4eXkM6gY=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "7b952793d5c46e862a9cdec3d6ac4762370296ed",
+        "rev": "e2940d3c79586503c0a645010ae56c7097ca7c3f",
         "type": "github"
       },
       "original": {
@@ -102,11 +102,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1653553105,
-        "narHash": "sha256-jyWSZMHmaGUmHq3Susugsf6a1/ejR9aaUaZHJ+qoOcs=",
+        "lastModified": 1653639429,
+        "narHash": "sha256-pzGqMCjWzluNLelTsEf6ZvNqfit8tRlOqoK3MsGZtgs=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "548165a9d107cb9d4ac84ede0ec6ff5dc815a447",
+        "rev": "b2cf1606e66564f1d277e76aec8bf7474ffffd04",
         "type": "github"
       },
       "original": {
diff --git a/home/default.nix b/home/default.nix
index 59e992f..9dd499a 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -365,4 +365,14 @@ in
 
   home.file."..aws/config".source = ./.aws/config;
 
+  # https://github.com/foucault/nvfancontrol#use-and-configure
+  home.file.".config/nvfancontrol.conf".text = ''
+    25    45
+    45    50
+    50    60
+    60    75
+    70    80
+    80    90
+  '';
+
 }
diff --git a/machines/hephaestus/configuration.nix b/machines/hephaestus/configuration.nix
index e0617c0..5cf2b91 100644
--- a/machines/hephaestus/configuration.nix
+++ b/machines/hephaestus/configuration.nix
@@ -10,9 +10,8 @@
   hardware.nvidia.modesetting.enable = true;
   hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.stable;
 
-  networking.hostName = "hephaestus";
-
   networking = {
+    hostName = "hephaestus";
     interfaces.enp34s0 = {
       useDHCP = true;
       /* ipv4.addresses = [ */
@@ -38,6 +37,12 @@
 
   services.sshd.enable = true;
   services.tailscale = { enable = true; };
-  services.xserver.videoDrivers = [ "nvidia" ];
+  services.xserver = {
+    videoDrivers = [ "nvidia" ];
+    deviceSection = ''
+      Option    "Coolbits" "4"
+    '';
+    exportConfiguration = true;
+  };
 }