Technology KnowledgeBase

Why is my projector not recognizing my computer? Error says: "No Input Detected".

Try reseating (unplug and replug) the VGA cable (connected to your computer via the white "dongle") that goes from your computer to the faceplate. Unplug and replug at both the computer and at the wall jack. If your computer goes through your Document Camera be sure that the Doc Cam is powered on and the small toggle switch on the side of the Doc Cam or button on the top is set to PC or Computer.

Restart your computer.

After restarting (if necessary), use your projector remote to scan for input sources.

If you are still not seeing an image, on your computer go to the Apple Menu in the upper left corner of your screen, select System Preferences -> Displays. Two windows should open, one for your computer display and one for the projected image on your ActivBoard. If only one window opens for your computer display, the computer is not recognizing the connection to the projector. 

If you are still unable to see any image, please open a Web Help Desk work order ticket or call Tech Support at x6688.

Related Articles:
When I turn on my projector and look at my screen / Activboard it shows my desktop background only, but no icons.

Note: If you have connected a USB hub to your computer, do not plug the USB cable from your whiteboard into the hub. The whiteboard must be connected directly into a USB port on your computer to connect successfully.

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