I'll look into that, before getting another graphics cars .... And then got me another better suited nvdia one LoL.

UPDATE: now connected with a Display Port cable, new nvdia 1050 ti card ....
some plugins and programs are still blurry; guess it's windows 10 scaling that sucks here ...

Info and tool for scaling behavior in Windows 10: http://windows10-dpi-fix.xpexplorer.com/

I tried it, no improvement ...