black screen after boot

[Colin Law]

On 4 November 2017 at 14:43, Liam Proven <lproven at gmail.com> wrote:
> 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.

OK, understood, thanks

Colin