Ubuntu – Can’t make Unity Launcher appear

12.10autohidetaskbarunity

I have Ubuntu 12.10 and I want to make unity launcher to auto-hide but when it hides it doesn't appear again unless I press the start button. Should I reinstall unity through terminal? I don't have any updates and the fastest speed and sensivity didn't work.

Best Answer

I had the same problem. In my case it was related to the compability nvidia-current-updates (wich I installed before the upgrade to 12.10) with compiz.

I fixed it by installing the version 310.19 of the nvidia driver avaiable through this ppa (this is not the official supported version on ubuntu, but works pretty well):

sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update
sudo apt-get install nvidia-current nvidia-settings

In order to get this fix to work, you may have to reboot after installing the ppa.

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