diff --git a/config.nix b/config.nix
index 57df56e..5aa7d0a 100644
--- a/config.nix
+++ b/config.nix
@@ -48,10 +48,6 @@ in
     ];
   };
 
-  fonts.packages =  with pkgs; [
-    noto-fonts
-  ];
-
   home-manager = {
     users.c3terminal = {
       home = {
@@ -63,20 +59,9 @@ in
         };
         packages = with pkgs; [
           git
+          chromium
         ];
       };
-
-      wayland.windowManager.sway = {
-        enable = true;
-        extraConfig = ''
-          set $ws1 c3nav
-          default_border none
-          font pango: "Noto Sans" regular 30
-          exec swaymsg "workspace $ws1;exec firefox-esr --name=c3nav --no-remote -P "terminal" https://c3nav.de; workspace $ws2; exec firefox-esr --name=fahrplan --no-remote -P "default" https://fahrplan.events.ccc.de/congress/2024/fahrplan/schedule/"
-          include /etc/sway/config.d/*
-        '';
-      };
-
       programs = {
         firefox = {
           enable = true;
@@ -100,6 +85,11 @@ in
     };
   };
 
+  users.users.demo = {
+    isNormalUser = true;
+    password = "test";
+  };
+
   users.users.root = {
     password = "test";
     shell = lib.mkForce (lib.getExe pkgs.bash);
@@ -117,7 +107,7 @@ in
   boot = {
     loader = {
       grub = {
-        #enable = true;
+        enable = true;
       };
       efi = {
         canTouchEfiVariables = true;
@@ -130,7 +120,6 @@ in
       enable = true;
       settings = {
         PermitRootLogin = "no";
-        PasswordAuthentication = false;
       };
     };
   };
@@ -170,7 +159,7 @@ in
     disk = {
       main = {
         type = "disk";
-        device = "/dev/sda";
+        device = "/dev/disk/by-id/wwn-0x502b2a201d1c1b1a";
         content = {
           type = "gpt";
           partitions = {
diff --git a/flake.lock b/flake.lock
index a8c5b56..2460439 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1735048446,
-        "narHash": "sha256-Tc35Y8H+krA6rZeOIczsaGAtobSSBPqR32AfNTeHDRc=",
+        "lastModified": 1733168902,
+        "narHash": "sha256-8dupm9GfK+BowGdQd7EHK5V61nneLfr9xR6sc5vtDi0=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "3a4de9fa3a78ba7b7170dda6bd8b4cdab87c0b21",
+        "rev": "785c1e02c7e465375df971949b8dcbde9ec362e5",
         "type": "github"
       },
       "original": {
@@ -27,11 +27,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1735053786,
-        "narHash": "sha256-Gm+0DcbUS338vvkwyYWms5jsWlx8z8MeQBzcnIDuIkw=",
+        "lastModified": 1733769654,
+        "narHash": "sha256-aVvYDt8eitZVF6fdOrSoIzYRkQ5Gh6kfRvqkiaDRLL0=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "35b98d20ca8f4ca1f6a2c30b8a2c8bb305a36d84",
+        "rev": "e952e94955dcc6fa2120c1430789fc41363f5237",
         "type": "github"
       },
       "original": {
@@ -42,11 +42,11 @@
     },
     "nixlib": {
       "locked": {
-        "lastModified": 1734829460,
-        "narHash": "sha256-dPhc+f2wkmhMqMIfq+hColJdysgVxKP9ilZ5bR0NRZI=",
+        "lastModified": 1733620091,
+        "narHash": "sha256-5WoMeCkaXqTZwwCNLRzyLxEJn8ISwjx4cNqLgqKwg9s=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "0a31e8d833173ae63e43fd9dbff1ccf09c4f778c",
+        "rev": "f4dc9a6c02e5e14d91d158522f69f6ab4194eb5b",
         "type": "github"
       },
       "original": {
@@ -57,11 +57,11 @@
     },
     "nixos-facter-modules": {
       "locked": {
-        "lastModified": 1734596637,
-        "narHash": "sha256-MRqwVAe3gsb88u4ME1UidmZFVCx+FEnoob0zkpO9DMY=",
+        "lastModified": 1732288619,
+        "narHash": "sha256-zSQ2cR+NRJfHUVfkv+O6Wi53wXfzX8KHiO8fRfnvc0M=",
         "owner": "numtide",
         "repo": "nixos-facter-modules",
-        "rev": "536472754982bf03079b4b4e0261838a760587c0",
+        "rev": "862648589993a96480c2255197a28feea712f68f",
         "type": "github"
       },
       "original": {
@@ -78,11 +78,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1734915500,
-        "narHash": "sha256-A7CTIQ8SW0hfbhKlwK+vSsu4pD+Oaelw3v6goX6go+U=",
+        "lastModified": 1733706547,
+        "narHash": "sha256-BdFW7TMgES7q8I5FGX5hlz+0Xp4WyfAP3tHDwEupSWU=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "051d1b2dda3b2e81b38d82e2b691e5c2f4d335f4",
+        "rev": "f5a0197ccfef7388885fc9455e74d6dd39e0c5e8",
         "type": "github"
       },
       "original": {
@@ -93,11 +93,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1734649271,
-        "narHash": "sha256-4EVBRhOjMDuGtMaofAIqzJbg4Ql7Ai0PSeuVZTHjyKQ=",
+        "lastModified": 1733759999,
+        "narHash": "sha256-463SNPWmz46iLzJKRzO3Q2b0Aurff3U1n0nYItxq7jU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "d70bd19e0a38ad4790d3913bf08fcbfc9eeca507",
+        "rev": "a73246e2eef4c6ed172979932bc80e1404ba2d56",
         "type": "github"
       },
       "original": {