How do you know the lamp is OK if no image appears? If it is in fact okay, be sure that the cables are properly attached (s-video in s-video, composite video in composite video) Lastly be sure the focus ring has not come loose and is distorting an image to nothingness.
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Looks like there is power supply problem as well as the lamp.
1 Clean all filters 2 Check out power supply (usually a few capasitors need to be replaced) 3 Wuld be a good idea to check the lamp in wokring projector, but if the "Lamp" light is constantly on it is more likely a faulty lamp as well.
try reseating the vga cable. Try removing the cable, the green tint should disappear meaning that the color or lack of one of the primary colors blue/red/green were missing due to bad connection. or maybe you have a bad vga cable.
check this out... http://www.ihatedell.net/forum/phpBB2/viewtopic,p,36316.html
have almost the same problem. lamp light turned on-->replaced the bulb, now when you turn it on tryies to boot and then the lamp light is on again (but the bulb is brand new).... and no light at all coming out of thing... I guess dell just don't know how to built projectors right way.... and theirs tech support guys are.... they just don't know about projectors more then manual
If the fan is not working, the lamp will not fire. If you have the owner's manual, it should indicate what the flashing lights mean. Check to make sure that the panels are seated properly. When you replaced the lamp, the outer cover was removed. If that is not seated back 100%, the unit will not work. There are a number of safety "checks" built into the unit to prevent damage and possibly fire as the lamps get really hot.
Check the items above and let us know your progress.
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