diff --git a/hosts/archangel/configuration.nix b/hosts/archangel/configuration.nix
index b6e6160..d2794ab 100644
--- a/hosts/archangel/configuration.nix
+++ b/hosts/archangel/configuration.nix
@@ -37,14 +37,13 @@
     ];
   };
 
- networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+ networking.networkmanager.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Configure network proxy if necessary
   # networking.proxy.default = "http://user:password@proxy:port/";
   # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
 
   # Enable networking
-  networking.networkmanager.enable = true;
 
   # Set your time zone.
   time.timeZone = "Europe/Istanbul";
@@ -59,7 +58,7 @@
   users.users.tulg = {
     isNormalUser = true;
     description = "Tulga";
-    extraGroups = [ "networkmanager" "wheel" ];
+    extraGroups = [ "networkmanager" "network ""wheel" ];
     packages = with pkgs; [];
   };
 
@@ -117,6 +116,22 @@
     };
   };
 
+
+  powerManagement.powertop.enable = true;
+  services = {
+    power-profiles-daemon.enable = false;
+    tlp = {
+      enable = true;
+      settings = {
+        CPU_BOOST_ON_AC = 1;
+        CPU_BOOST_ON_BAT = 0;
+        CPU_SCALING_GOVERNOR_ON_AC = "performance";
+        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+        STOP_CHARGE_THRESH_BAT0 = 95;
+      };
+    };
+  };  
+
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
diff --git a/hosts/archangel/hardware-configuration.nix b/hosts/archangel/hardware-configuration.nix
new file mode 100644
index 0000000..80e97df
--- /dev/null
+++ b/hosts/archangel/hardware-configuration.nix
@@ -0,0 +1,39 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/48340a1a-5055-4d72-b83b-db57a3a7e230";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/5292-3A27";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp2s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}