■Hold down the Fn key on the keyboard and press the function key that lets you display on an external monitor. It may have an
icon such as 
, or it may be labelled CRT/LCD. Allow a few seconds for the projector to sync up after pressing it. Check your
notebook’s manual or online help for details.
On most systems, the 
key lets you toggle between the LCD screen and the projector, or display on both at the same time.
■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 Mac OS X:1.Open System Preferences.
2.Click Displays.
3.Click Detect Displays.
4.Make sure the VGA Display or Color LCD dialog box is selected.
5.Click the Arrangement or Arrange tab.
6.Make sure the Mirror Displays checkbox is selected.
The message Not Supported is displayed.■Make sure the correct input signal is selected in the Signal menu (see page 118).
■Make sure your computer’s resolution doesn’t exceed UXGA (1600 ⋅ 1200) and the frequency or refresh rate is supported by the projector (see page 179). If necessary, change your computer’s resolution setting as described below.
Only part of the computer image is displayed.■Press the Auto button on the remote control.
■Make sure the image Position setting is correct in the Signal menu. See page 119 for more information.
Solving Problems 159