I have installed Ubuntu 14.04. It worked for approx. 2 days. But today when I turned it on launcher & Menu bar was absent & ctrl+alt+t was also not working. I tried "sudo service lightdm restart" it didn't worked. Please help me.. and launcher is present in guest session but not in Admin login..


3 Answers 3


If above command doesnot work try this(it saved me a week ago): `Ctrl+Alt+F1´

sudo service lightdm stop rm ~/.config/dconf/user sudo service lightdm start

Further look here: 14.04 LTS No Dash / Launcher after update through Software Updater

  • 2
    This deletes all your unity settings, including wallpaper, unity bar shortcuts, ...! Commented Aug 8, 2016 at 23:19

I have tried many different things, but below solution worked for me:

  • Go to your folder: usr/bin and click "gnome-terminal".
  • When terminal opens write "ccsm"
  • This will open unity screen.
  • Select "unity plugin" and then tick "enable unity plugin" option.
  • That will bring back your dashboard.
  • I tried this, but nothing happens, and after I close ccsm and reopen it, none of the settings seemed to stay there. Commented Apr 11, 2018 at 2:54
  • Yeah, re-login and set the mode to 'unity' is the key step.
    – Siwei
    Commented Sep 19, 2019 at 9:50

Enter the following commands:-


login there by user name and password, type

sudo service lightdm restart

If lightdm fails to get back at normal :- Enter:- sudo apt-get update

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

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