How To Use Another Laptop As External Monitor

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 another laptop as external monitor. On the main pc that you want to use your laptop s display as secondary display for. Use your second laptop as a second monitor. Extend your laptop s screen if you want your desktop to span across both displays so that you can drag and drop windows and apps from one to the other. Click on connect on the menu on the bottom of the notifications slide out menu. Choose extend if you want your laptop to act as a true second monitor that gives you additional screen space for the productivity uses mentioned above.
As you want to use the laptop as a second monitor for productivity you should select extend. Go to the other pc or laptop press win p and click on connect to a wireless display wait until your other laptop is detected select it and choose whether to duplicate or extend. When the laptop you want to connect to appears select it. Click on the notifications action center icon in the bottom right hand corner of the taskbar. If you want to use both your laptop s screen and the external monitor tv select either extend or duplicate.
Your laptop might use a hdmi cable displayport mini displayport or include a. Select how you want the screen to be displayed. Now on your main pc the one you want to project from press windows key p then select how you want to project your screen.