I have a laptop Dell Latitude E7470 with screen resolution 2560x1440. I am currently using the display at 200% scaling in display settings, however, I need a scaling factor above it like 225% or 250%. Can anyone suggest how to do this?
I have tried setting dpi with :
xrandr --dpi
and also setting scaling factor with
gsettings set org.gnome.desktop.interface scaling-factor 3