Epson PowerLite S5 Series/77c User Manual page 36

Projecting
36
If you're using a Macintosh laptop with OS X:
You may need to set up your system to display on the projector screen
as well as the LCD screen. Follow these steps:
1. From the Apple menu, select
or
Display Displays.
2. Select
VGA Display
, and make sure
Arrangement
Click here
Select Mirror
Displays
System Preferences
or , click
Color LCD Arrange
Mirror Displays
, then click
or
is checked.