I have an MS Surface Pro 3 running Win 8.1 docked to a Targus Usb3 dock driving two 24 inch 1920 x 1200 external monitors.
While the text / scaling on the external monitors are just to my liking, the same cannot be said for the Surface's 2160 x 1440 display, which sits off to the left of the external monitors. It's too small.
Is there a way to scale only the Surface's 2160 x 1440 display to say, 150%?
I've seen the "Let me choose one scaling level for all my displays" checkbox in Control Panel -> Display, but when I uncheck it, it's not apparent how to go about adjusting the individual displays as you seem to have to go to Control Panel -> Display -> Screen Resolution to be able to select specific displays.