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. 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.
Why are my 2 monitors showing the same thing?
Right click the Desktop and select the Screen Resolution item. In the dialog box, use the Multiple displays drop down menu to select ‘Extend these displays’. If this does not work, click the Detect Button at the top of the screen. Hope this helps.
What does duplicating my display mean?
Duplicated – The desktop is duplicated (including resolution) on more than one display. This setup can be useful for running demos and presentations. Extended – The desktop is extended across multiple displays. Each extended display has its own unique desktop area (including screen resolution and refresh rate).
