How do I mirror the desk display and the projector in the mac lab?
From the Apple Menu in the upper left:
- Select "System Preferences"
- Select "Displays" (currently third item on the second row)
- Select the "Arrangement" tab at the top of the display window
- Check "Mirror Displays" in the lower left of the window
Bookmark link: How do I mirror the desk display and the projector in the mac lab?