On Thu, 11 May 2017 08:32:23 +0200
deloptes <deloptes@...> wrote:

> Nick Koretsky wrote:
> 
> > So i wanted to try a multiple screens (in X
> > sense) approach but hit a roadblock. As soon as i add
> > Screen �1 � � � "Philips" LeftOf "ZR24w"  
> 
> This is often made mistake. If you have a single head video card (one
> video processing), you have to configure multiple monitors not multiple
> screens. Than use xrandr --output ABC --left-of DEF. Perhaps ABC needs to
> be enabled - I usually do this through the icon (xrand) - switch to
> active and than position on the right side of the other active monitor.
> 

This is not a mistake, this is a deliberate effort to avoid problems of
multiple display in a single screen setup.

-- 
  Nick Koretsky (nick.koretsky@...)