2nd monitor has suddenly duplicated 1st one. What happened?

I don't know what happened. But my second monitor, which I have connected to my laptop, used to be seperate. I could drag things into it, and use it as a 2nd screen.
But all of the sudden they are both the same.
How do I change that?
Thanks all.
-ch

Thanks for the .

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Hi ToniClark,
Welcome to the HP Forums! I see that you have issues with your secondary monitor. What happens if you disconnect the first monitor that is currently work and just hook up the W2072a by itself? If it works then we know it is something with your computer system and if it still fails then their could be a problem with the monitor.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

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2nd monitor has suddenly duplicated 1st one. What happened?

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