User`s guide
Solving Problems 159
If you’re using a PC notebook: 
■ 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.










