Ubuntu – Ubuntu 14.04 – No Unity in user account, but in guest account

14.04compizlightdmunityxserver

Yesterday I switched back from Linux Mint to Ubuntu 14.04 and after installation I faced the following problem:
When I login with my user account Unity isn't loading. I can see no desktop elements – all I have are the desktop icons in some kind of GNOME-scheme.
But when I login as a guest on the guest account, Unity is working fine.
I read and tried alot yesterday as Ubuntu 14.04 seems to have plenty of issues with lightdm, compiz, … but nothing worked for me.
I have two asumptions:

  1. Because the guest account works, it seems to be an user specific problem.
  2. Because the guest account works, there seems so be no problem with graphic driver etc.

To 1:
Are there user specific configurations? Maybe in xorg.conf? Any other explanations why the guest account works fine and my user account does not?

To 2:
I have a Nvidia GEFORCE 520M running. I tried the nvidia-driver, but then no desktop appeared, neither in guest account nor in my user account. So I removed them.

I tried so many things yesterday, so that I absolutely lost track on more possible solutions. Anyone an idea?

Best Answer

Open the terminal using (ctrl+alt+T), and try to reset compiz and unity by:

sudo apt-get install dconf-tools    
dconf reset -f /org/compiz/       
unity-reset
setsid unity

If you are still facing it, then open terminal again and reinstall desktop and unity

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