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I like to listen to music while going to bed, so I turn music on and switch the screen off of my laptop. Somehow, since a couple of weeks the screen won't switch off. Like I were moving the mouse, after 2 seconds it shows again. I've disabled the touchpad, and unplugged the mouse, but the problem still remains. A reboot helps, but only for like 2 days. I usually use the shortcut ctrl+alt+L. The command xset dpms force off acts the same. Actually the problem is irregular, the screen wouldn't switch off yesterday, but it has today... I don't have a clue what might cause the problem, any ideas would be really appreciated.

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Anyone any ideas? –  Kuba Barański Mar 30 at 13:59
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