Displaying an Apple Laptop Via a Digital Projector
Click on the
System Preferences
icon
In the System Preferences boc click on
Displays
.
(either at the top of the System Preferences box or the Display icon in the Hardware category)
Click on the
Arrangements
button in the Display box
Click to make a checkmark in the
Mirror Displays
button in the lower left hand corner.
Exit by clicking the red button in the upper left hand corner