How To Use A Laptop As A Second Monitor In Windows 10
On the machine you want to use as a second monitor head over to settings system projecting to this pc and set it up as you like considering convenience vs.
How to use a laptop as a second monitor in windows 10. If you want to use both screens you should choose either extend or duplicate. Then from your main machine the one you are projecting from just hit windows key p like you were projecting to a projector or second display. Opening the project feature in windows 10 then windows 10 should give you several options for how to use your displays. Use your second laptop as a second monitor. On windows 10 right click the battery icon and select power options.
Select the one you prefer by clicking or tapping on it. At the bottom hit connect to a wireless display. You can use an external monitor with a closed laptop by tweaking sleep settings.