InFocus ScreenPlay 7205 Multimedia Projector "black rectangles screen" Questions

...black rectangle. I have tried resynching , checked the screen resolution done all the recommended checks etc. Even tried different movie formats avi, mpeg etc in different resolutions with no luck. ...

...screen. Does anyone know the cause please? if the black bar has fuzzy rainbow edges, the light tunnel has collapsed and needs replacement. if the image has solid edges (to the pixel), there is a ...