Cannot join in any display/desktop manager

[AlePon123]

Steps To Reproduce

Steps to reproduce the behavior:

1. build X minimal reproducable configuration.nix

   services.xserver = {
    enable = true;
   # ...
   displayManager = {
     sddm.enable = true;
    };
    desktopManager.plasma5.enable = true;
   }

   i dont know why but when i boot into nixos i dont have graphical enviroment i have just tty. then i'm trying systemctl start display-manager and it gives me this i'm also using iso image with plasma

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i cant because i'm writing this issue from other os

[user@system:~]$ nix-shell -p nix-info --run "nix-info -m"
i cant because i'm writing this issue from other os

[wentasah]

What is the output of systemctl status display-manager and/or journalctl -b -u display-manager?

[AlePon123]

What is the output of systemctl status display-manager and/or journalctl -b -u display-manager?

Sorry for quality

[wentasah]

So it looks that the display manager is running. Maybe, it's running on another console. Try switching consoles by pressing various Alt-Fx keys. If it doesn't help, I'd recommend trying different display manager.

It might also be caused by your graphics card and its drivers/firmware. To confirm that, it would help to see a full boot log, e.g. the output of journalctl -b.

To help with debugging this problem, I'd recommend to add services.openssh.enable = true; to your config and use SSH to access your computer from another one. This will make it easier to post the needed information here (nix-info, journalctl).