No computer image, just the words “Signal out of range”

Adjust computer refresh rate in Control Panel>Display>Settings>Advanced> Adapter (location varies by operating system)

Computer image projected

A

Signal

 

range

out

of

 

You may also need to set a different resolution on your computer, as shown in the following problem, “Image fuzzy or cropped”

A

A

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Image 20
InFocus LP860, LP850 manual Range Out