Mirroring Computer Displays with Classroom AV Systems

Windows 7/8/10

1. Press the Windows Key  and P key.
2. The display switcher will appear. While holding down , press the P key to cycle through the various options.
3. Choose the Duplicate option by releasing the P key once it has been highlighted.
   
   

Apple Macintosh

There is no standard function key for Apple Macintosh Display switching. To duplicate a display on a Mac, follow these steps:

1. Make sure your additional display is properly connected and powered on.
2. From the  menu, choose System Preferences.
3. From the View menu, choose Displays.
4. Click the Arrangement tab.
5. Enable (check) Mirror Displays in the bottom-left corner.