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My OS is Lubuntu 13.04. After 10 mins of inactivity the screen goes black. What I did to stop it without effect:

  • uninstalled xscreensaver completely
  • in power setting I set to never blank the screen
  • run some command found in the internet with "xset" which was said to solve it (but maybe it was wrong command, if you know proper please write it)

And still nothing. I don't know why lubuntu wants so hard to keep going black when watching films. For example on kubuntu/ubuntu I just set in power settings to never go black and it works. Maybe lubuntu uses customized kernel with hard-coded extreme energy savings that can't be turned off?

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See my solution here: askubuntu.com/questions/351849/… –  Magno C Oct 9 '13 at 18:38
    
I can confirm this behaviour for Ubuntu 14.04 after Upgrade from 13.04. The trick by TenPlus1 is working for me. –  user273218 Apr 24 at 9:44

3 Answers 3

up vote 3 down vote accepted

Try installing :

sudo apt-get install xfce4-power-manager

then configure it in:

xfce4-power-manager-settings 
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Why you think he should install xfce4-power-manager? –  Braiam Feb 13 at 2:28
    
it works for me. Easy and simple solution. –  Arturo Veras Feb 13 at 2:35

For a temporary fix pop into terminal and type:

xset s 0 0

and this should stop the 10 minute blanking problem, to make it more permanent, insert a line with the same command at the start of the /home/username/.profile file.

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why is it temporary solution? Is it like running this command disables the blanking only for current session? –  user1873947 May 5 '13 at 21:42
    
Or xset s off –  qed Nov 9 '13 at 19:54

new versions of Ubuntu is using gnome-screensaver, not xscreensaver. The settings is in System Settings -> Brightness and Lock

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2  
not true for lubuntu. –  user1873947 Jun 24 '13 at 14:39

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