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How to make laptop screen main display when external connected monitor
Hi
I have windows 10 OS. I am using Accer E5-573G,which have i3-5005U processor and Nvidia 920M GPU. Thing is that I am using external monitor as my main display and laptop as extended.I don't have UPS While working when power outrage happen my external monitor goes off laptop switch to battery. Now thing is that I can not control settings to use my laptop as main screen. So How can I automatically switch between displays when external monitor goes off.