■Press the function key that lets you display on an external
monitor. It’s often labelled with an icon such as 
or it may be labelled CRT/LCD. You may have to hold down the Fn key while pressing it. (See your laptop manual or online help for details.)
On most systems, the 
or CRT/LCD key lets you toggle between the LCD screen and the projector, or to display on both at the same time. Allow a few seconds for the projector to sync up after pressing it.
■Depending on your computer’s video card, you might need to use the Display utility in the Control Panel to make sure that both the LCD screen and external monitor port are enabled. See your computer’s documentation or online help for details.
If you’re using a Macintosh laptop running OS 9.x or earlier:1.From the Apple menu, select Control Panels, then click
Monitors and Sound.
2.Click the Arrange icon.
3.Drag one monitor icon on top of the other. This lets you display on the projector screen as well as the LCD screen.
4.If this option isn’t available, click the Monitor icon and then select one of the listed Simulscan resolutions. (Allow a few seconds for the projector to sync up after making the selection.)
If you’re using a Macintosh laptop running OS X:1.Select System Preferences from the Apple menu.
2.Click Displays.
3.Click Detect Displays to display part of your desktop on the projector screen.
4.To display the entire desktop on both your projector screen and LCD screen, click the Arrange tab.
5.Click Mirror Displays in the lower corner of the screen. One of the monitor icons automatically moves on top of the other.
88Solving Problems