■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 wide panel computer image, adjust the Resolution setting (see page 98).

■If you’re projecting an image from a computer with dual display activated, turn dual display off.

The image isn’t square, but keystone-shaped.If the image isn’t square or rectangular, adjust its shape as described on page 47.The image contains static or noise.

■If you’re using a computer cable longer than 6 feet (1.8 meters), or an extension cable, the image quality may be reduced.

■Keep your computer and video cables away from the power cord as much as possible to prevent interference.

■The video signal may be split between the computer and the projector. If you notice a decline in the projected image quality when the image is displayed simultaneously on your notebook computer and the projector, turn off the notebook’s LCD display.

■Make sure the correct input signal is selected in the Signal menu (see page 99).

■If you’ve used the Quick Corner or Keystone adjustment, you may need to decrease the Sharpness setting in the Image menu (see page 97).

■If you’re projecting from a computer, make sure its signal is compatible with the projector. See page 159.

The image is blurry.■There may be dirt or smears on the lens. Clean the lens as described on page 122.■Adjust the focus using the focus ring (see page 46).
140Solving Problems