The problem could be with your computer's video card. Projected colors don't match the computer or video player's colors. See Display Menus in your Reference Manual. Lamp seems to be getting dimmer. The lamp begins to lose brightness with time.
Lamp shuts off.
A minor power surge may cause the lamp to shut off. Turn the projector off, wait at least one minute, then turn it back on. Some inexpensive cables are not compatible with the projector. Be sure to use good quality cables that seat securely into the S-Video connection. Kodak is a trademark of Eastman Kodak Company.