Epson EX21 - Manual (Page 73)

Solving Problems 73
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 47).
■ Make sure your computer’s resolution and frequency or refresh
rate is supported by the projector (see page 84). If necessary,
change your computer’s settings.
Only part of the computer image is displayed.
■ Press the Auto button on the remote control or the Enter button
on the projector.
■ Make sure the image Position setting is correct in the Signal
menu. See page 48 for more information.
■ Select the correct Aspect setting from the Signal menu. See
page 35 for details on the available options.
■ Press the Esc button on the remote control to cancel the E-Zoom
function.
■ Make sure your computer’s resolution setting is correct. See the
compatible video formats listed on page 84.
■ You also may need to modify existing presentation files if you
created them for a different resolution. See your software
documentation for specific information.
■ If you’re projecting a widescreen computer image, adjust the
Resolution setting (see page 47), if necessary.