InFocus IN5555L User Manual page 19

Problem
The video embedded in my PowerPoint
presentation does not play on the screen.
Lamp won't turn on and the Temp LED is on.
Temp LED
Solution
Turn off the internal LCD display on your laptop.
Make sure vents aren't blocked, turn the
projector off and allow it to cool for one minute.
18
Result
Embedded video plays correctly.
Lamp turns on.