Only part of the computer image is displayed.
■If you’re projecting from a computer or RGB video device, press the Auto button on the remote control. If this doesn’t work or if you’re projecting from a component, composite, or
■If you’ve enlarged part of the image using the
■Try pressing the Resize button on the remote control to select a different aspect ratio (ratio of length to height).
■Make sure your computer’s resolution setting is correct. Ideally, it should be 1024 ⋅ 768 (for the PowerLite 81p) or 800 ⋅ 600 (for the PowerLite 61p) to match the projector’s native resolution. If this option isn’t available, select one of the other compatible video formats listed on page 98.
■Windows:
■Macintosh OS X:
On the Apple menu, choose System Preferences, then click Display (or Displays for OS X 10.3). Select a different resolution.
■Macintosh OS 9.x:
On the Apple menu, choose Control Panels, then click
Monitors or Monitors and Sound. Select a different resolution.
■You also may need to modify existing presentation files if you created them for a different resolution. See your software documentation for specific information.
86Solving Problems