added correct minitor and bootloader setup

configuration.nix

@@ -10,10 +10,9 @@
     ./hardware-configuration.nix
   ];
 
-  # Use the GRUB 2 boot loader.
-  boot.loader.grub.enable = true;
-  boot.loader.grub.device = "/dev/vda";
-  boot.loader.grub.useOSProber = true;
+  # Use systemd-bootloader
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
 
   # Use latest kernel.
   boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-latest-zen4;
@@ -136,6 +135,6 @@
   # and migrated your data accordingly.
   #
   # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
-  system.stateVersion = "26.05"; # Did you read the comment?
+  system.stateVersion = "26.11"; # Did you read the comment?
 
 }

hardware-configuration.nix

@@ -1,36 +1,33 @@
 # 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,
-  ...
-}:
+{ config, lib, pkgs, modulesPath, ... }:
 
 {
-  imports = [
-    (modulesPath + "/profiles/qemu-guest.nix")
-  ];
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
 
-  boot.initrd.availableKernelModules = [
-    "ahci"
-    "xhci_pci"
-    "virtio_pci"
-    "sr_mod"
-    "virtio_blk"
-  ];
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" = {
-    device = "/dev/disk/by-uuid/d7ee320a-7eb9-4f7e-bc6f-76c1bc21d863";
-    fsType = "ext4";
-  };
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/667f2c84-43dc-43de-a4e8-a1d5079ae4f1";
+      fsType = "ext4";
+    };
 
-  swapDevices = [ ];
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/5ECD-6EBF";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/d7a5eece-520e-4e6e-9523-467a07c428ef"; }
+    ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }

home.nix

@@ -57,7 +57,9 @@
     settings = {
 
       monitor = [
-	"Virtual-1,1920x1080@60,auto,1"
+	"DP-1,1920x1080@143.85,1920x0,1"
+	"DP-2,1920x1080@119.98,3840x0,1"
+	"DP-3,1920x1080@119.98,0x0,1"
       ];
 
       bind = [