Epson PowerLite 400W User Manual page 86

Solving Problems
86
Only part of the computer image is displayed.
If you're projecting from a computer or RGB video device, press
■
the button on the remote control. If this doesn't
Enter/Auto
work, you may need to adjust the
menu. See page 59 for more information.
■ If you've enlarged part of the image using the
the remote control, press the
return to full display.
Try pressing the
■ Aspect
different aspect ratio. See page 49 for details.
Make sure your computer's resolution setting is correct and dual
■
display is not activated. Ideally, it should be 1280 × 800 to match
the projector's native resolution. If this option isn't available,
select another compatible video format. See page 109.
Windows:
■
Right-click the desktop, select
tab, and select a different resolution.
■ Macintosh OS X:
On the Apple menu, choose
click
Display
You also may need to modify existing presentation files if you
■
created them for a different resolution. See your software
documentation for specific information.
The image isn't rectangular, but trapezoid-shaped.
Make sure the projector isn't placed off to one side of the screen,
■
at an angle, or the image won't be rectangular. Place it directly in
front of the center of the screen, facing the screen squarely.
■ If you've tilted the projector upward, the image will be broader at
the top. Hold down the
projector until the image is rectangular.
Position
button to cancel zooming and
Esc
button on the remote control to select a
Properties
System Preferences
or . Select a different resolution.
Displays
or buttons on top of the
setting in the Signal
button on
E-Zoom
, click the
Settings
, then