Dell 2200MP Multimedia Projector "signal searching" Questions

Searching for signal Using a Dell Latitude laptop, which is in perfect working order. All cables are securely connected. When I press FN and F8 the projector will not display laptop image. Any ideas? ...

...signal to the computer and starts searching for a source. After searching it connects again, flashes the display from the PC and then starts searching again. I have cleaned the vents and it continues ...

my optoma projector looses the signal and search for a signal frequently it takes a few seconds to find it and then it works fine for a few minutes (or fraction of a minute) and does it again. Thanks ...

Dell Projector 3300MP will not pick up a signal from laptop Dell Projector 3300MP will not pick up a signal from my Dell Laptop. Projector will not search for source. anyone got an answer here??? i ...

...can not find source signal,it is still searching for if the resolution doesn't match with the source, it can't read the signal. native resolution is 1024x768. for video, id does do hdtv, but not

in the middle of the TV forecast my optoma looses the signal and search for it a few seconds and then is ok, this happens over and over, it takes a few seconds to find it, this is really annoying! ...

...Searching video 1 and video 2 input only,no computer.Finally picks computer input signal and shows movie.Every 5 mins to 10 mins picture freezes and is lost.Blue screen appears searches for signal 2 ...

searching for signal Trying to run powerpoint from laptop. Projector notes on external screen "searching for signal." The problem is with the computer, not the projector. There are special function ...

...searching for a signal and asks if I want to turn off the lamp -- but I am not connected to a laptop and don't know how to communicate with it. use remote menu to turn it off and your projector needs ...

...searching signal" for all time. I tried many ways but the problem is the same. Advice me, please, Nam start your laptop first then your projctor-if the problem still excit-press-control+f4 or ...