
Now you will have to drag the window from your desktop screen to. Follow the instructions below to change the external display settings. duplicate of your desktop background image but your start menu and icons will not appear. Windows uses the term Duplicate instead of Mirroring. To turn on (or off) Desktop Mirror click the small icon of a monitor on the upper right side of the menu bar and select Turn On Mirroring Changing the Desktop Mirroring Setting Windows – Change External Display Mode In Extend Mode the external display is treated as a separate screen so that you can have a different windows open on the projector and desktop. It is easy to switch between the two settings.

In Mirror Mode the computer monitor duplicates the monitor on the external display so that you see the same picture on both the desktop and projector.

When connected to an external display, Mac and Windows computers have two different display modes: Mirror and Extend.
