black screen after boot

Sat Nov 4 14:43:15 UTC 2017

On 4 November 2017 at 15:03, Colin Law <clanlaw at gmail.com> wrote:
>
> I thought lightdm started X or Wayland when you login, selectable from
> the login screen.

LightDM (for Unity) and GDM (for GNOME 3) *are graphical app
themselves* so they need a display server (X.org or Wayland) running
already in order for them to be able to draw graphics on the screen.

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