Ubuntu – How to disable the screensaver/lock


When I'm watching a film in Mythtv the screen turns to black every 10 – 15 mins and I have to log back into Ubuntu. Very annoying!

How do I disable the black screen / screensaver / logout in Unity?

There no longer seems to be any options to turn the screen saver off as there were in Ubuntu prior to Unity.

Best Answer

  • Go to System Settings...Brightness and Lock:

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  • The default screensaver idle time is 10 minutes, and the screen is locked once the screensaver activates:

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  • You can adjust the idle time (or disable the screensaver), and also disable the lock:

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  • Simply close Brightness and Lock to apply the new settings.

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