Need ac adapter for Compaq projector

This could be one of 2 things. It could have a bad color wheel or there is a setting problem in the unit. If the video mode is not set correctly like NTS or PAL it can give a black and white image.

The other could be your color wheel has failed. Did the unit make any noises before the color went out?

Some times the color wheels will make noises when the age before they crack or break from the heat.

I believen you can pull the lamp out and with the lamp out try and power the unit up, look into the little hole the lamp shines into and see the color wheel spinning. when you first plug it in and unplug it the wheel should spin and you should see the colors change. DONT TOUCH THE COLOR WHEEL they are fragile and can break easy. Some get more brittle over time from the heat of the lamp.

it might be a problem with overheating, have you ever cleaned the projector? there might be alot of dust blocking the airflow.

If that doesnt help let me know.

If the projector is not getting a source it might go on standby maybe check where you plug it in.
Projectors require quite a bit of power and should be on a single loop/outlet not hooked up to a powerbar with more things on it.

Hope that helped.

resolution changes. if you hit auto image, that should correct it.

Hi there

Does your Projector support Windows Vista ?

you will not be able to find these parts
really...
Good luck
honestly
buy a new projector

Have you tried cleaning ther bulb housing and fan area with a soft brush and vacuum?

make sure u have the lid back on or wont come on for the lamp

I had the same problem!  The problem is dust on the color wheel.  At side of the color wheel is a wire connector attached wit one small screw,  with a cottom tip clean the small lens  and surface, that's all. Put the connector and screw  and it will OK!!

I am currently struggling with this issue.
There is an easily-accessed fuse inside the projector.
I was very excited to discover this last night.
However, before you get you're hopes up (as I did) remember: If the fuse blew, something else probably went first. After buying and replacing the fuse today, I realise that I need to replace or repair the power supply as it pops the fuse every time.

Here's how to get to the fuse:
Take off the lamp.
Now, looking at the projector from the back, you need to remove the left hand side panel.
This involves taking out 2 screws from that panel, 2 from the bottom and the 2 video connector hexagonal bolt things that are also in that panel.
The panel sort of hinges off, starting from the bottom.
You will see the fuse in the bottom right corner where the power lead goes.
It is a slow-blow (time delay fuse) so get the exact same one to replace it. A pack of 10 cost me €4.19 in Maplin, Galway, Ireland.

Anyways, this did not do the job for me... the power supply set the fuses off like fireworks and also blew a few in the socket plug as well (I don't think US readers will have those)
I will let you know how I get on with the power unit....

Good luck to ye!