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Is there a way to autodetect when a display is disconnected?

My question is basically this question, but that's rather old now, and desktop Linux is changing fast.

I have a laptop with NVidia graphics (GeForce 9800M GS), the proprietary drivers, and Ubuntu 11.04 (using Unity).

Can Twinview be automated so that when I disconnect my external monitor, it's automatically disabled? The reserve would be nice as well, but the first is more important.

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marked as duplicate by fossfreedom Mar 4 '12 at 12:25

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Not much of an answer but that answer there might still be valid. Personally, I make use of the disper indicator which makes it easy enough, plus allows me to manually disable the second monitor before playing games that don't support it or deal with it properly.

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