After each kernel update, after the reboot I don’t get anything on screen, therefore I switch to the console (Ctrl+Alt+F1) and reinstall the Nvidia drivers, then I reboot but I don’t get any Unity bar, just the wallpaper.

Therefore to fix it, I need to run, sometimes more than once, all these commands

  661  sudo unity --reset-icons 
  672  export DISPLAY=:0
  673  dconf reset -f /org/compiz/
  674  sudo unity --replace
  688  export DISPLAY=:0
  689  ccsm
  690  dconf reset -f /org/compiz/
  691  sudo unity --replace

Is there a fix for it?

14.10 x64, Nvidia 340.67, gtx 680

I had the same issue (ubuntu 14.10 updated to latest kernel )recently and lost all the menu/unity taskbar and what fixed for me was

export DISPLAY=:0   
sudo dconf reset -f /org/compiz/ 
setsid unity

Original answer and more explanations you can seek this

  • I reboot and I didnt have to reinstall the nvidia drivers, I guess because I installed also the dks trying to find a solution – elect Apr 9 '15 at 20:44
up vote 0 down vote accepted

I installed DKMS and I didn't have to reinstall anymore the Nvidia drivers, I guess I solved it

sudo apt-get install dkms

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