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The fan of my graphic card is very loud. I tried to install additional drivers for it. After rebooting my PC - to apply changes - unity won't show...
If I change the driver back to default unity shows up again after restart.

Graphic card: GeForce 9600 GT

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1 Answer

When you have the nvidia driver not active fire up a therminal by pressing Ctrl+Alt+T.

Then install the missing kernel package

sudo apt-get install linux-source 

sudo apt-get install linux-headers-generic
sudo apt-get install linux-headers-3.5.0-18-generic

Reconfigure the graphic modules:

sudo dpkg-reconfigure nvidia-current-updates

Activate the driver with the gui or:

sudo apt-get install nvidia-current-updates

Restart the computer

sudo shutdown -r now
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Nope... doesn't work. After rebooting Unity doesn't shows up anymore. –  tk4muffin Nov 14 '12 at 21:50
    
Try to remove the nvidia driver and reinstall it again, you remove the driver by typing: sudo apt-get remove nvidia-current or sudo apt-get remove nvidia-current-updates or sudo apt-get remove nvidia-experimental-304 –  Daniel Zippert Nov 14 '12 at 22:14
    
Currently I'm using the xserver-xorg-video-nouveau driver - the only one unity works with. So all those commands are useless. –  tk4muffin Nov 14 '12 at 23:03
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It realy sounds like you hit the graphic headers bug, look at this question askubuntu.com/questions/202574/… –  Daniel Zippert Nov 20 '12 at 20:29
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Nice :) Thanks, this helped a lot. I'm new to linux and already tried this couple days ago without success. But now I got a little bit used to all those terminal commands it worked out nicely. –  tk4muffin Nov 21 '12 at 20:20
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