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I'm running Ubuntu 14.04, and recently configured my desktop environment with the compizconfig-settings-manager. After some tries I reseted everything and suddenly all window top bars are away, I can't move or resize windows and the task bar is gone too.

I can run commands via tty, and tried some solutions. I deleted the compiz file in the ~/.config/ path and also tried to restart compiz or unity. I also deleted and installed compiz without any change.

Nothing worked so far, I really need some help

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Try to reset the desktop environment, if you are using unity then do this:

unity --reset 

If that fails to solve the problem, then try to reinstall unity(I’m assuming you are using unity):

sudo apt-get update
sudo apt-get install --reinstall ubuntu-desktop
sudo apt-get install unity

Added: If that fails, try to do the following, to completely reset all changes made by Compiz:

Install dconf-tools: sudo apt-get install dconf-tools

Reset Compiz and Unity: dconf reset -f /org/compiz/

Reset Unity: setsid unity

If that also fails, then maybe deleting the settings files might help:

rm  -rf ~/.compiz-1 
rm -rf ~/.config/compiz-1

Lastly, you could try the following:

sudo apt-get install dconf-tools
dconf reset -f /org/compiz/
unity --reset-icons
  • I tried it, nothing changed. When I used unity --reset it gave me the warning no DISPLAY variable set, setting it to 0 and an error it would be deprecated – Natjo Dec 4 '15 at 10:31
  • Please see additional instructions added to the answer. – Tshilidzi Mudau Dec 4 '15 at 11:31
  • Awesome, I'm glad I could help. – Tshilidzi Mudau Dec 7 '15 at 11:16
  • Thank you, @Tshilidzi, last commands helped me: sudo apt-get install dconf-tools dconf reset -f /org/compiz/ unity --reset-icons – ViliusK Jun 26 '16 at 18:13

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