Yes, I know that I just type 'startx' to enter graphical mode, but in my 
case there is no 'startx' command. Installing Openbox didn't trigger X11 
but Wayland. And that's why I posted this issue here. 

On Monday, June 29, 2015 at 10:43:34 PM UTC+2, Antonio Malcolm wrote:
>
> Huh. I hadn't noticed this. I mean, I know Wayland is installed, but 
> running Openbox with lightdm, my X session starts just fine.
> What packages did you install before attempting to start your session?
> BTW, startx starts X.
>