That usually means your monitor cable is lose or broken inside. But since you said it showed a message, maybe you could consider just using option #1 here to undo it and go back to before you got that message.
"Colour is not compatible" error while playing DVD
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
While recently playing a dvd I received a message saying that the colour was not compatible or some such rubbish. I'd already watched this dvd movie before with no problem. Now I cant get my computer to play a film in full colour as the setting have been changed without my knowing..
All I get is blue and mustard tones. How do I get back to full colour so I can watch my films?
Reet
Windows for home | Previous Windows versions | Music, photos, and video
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Answer accepted by question author