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I just installed Ubuntu 12.04 on my Gigabyte P35K. Unity was working fine at the first boot, but then I installed the Nvidia driver and now when I move a window it is pretty slow, when I take the window to one border it does not resize, etc... I know that it is not a problem from the unity configuration because I broke my last install trying to fix this problem...

Is there a problem with the latest nvidia driver? I installed it using sudo apt-get install nvidia-current.

Thank you in advance for your answers.

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You might be running in 2D mode. You can check quickly with echo $DESKTOP_SESSION. Have you activated any of the Additional Drivers for Nvidia in System Settings? – douggro Mar 11 '14 at 14:32

I found out that after installing nvidia-current there is a new pilot in the Additional Drivers section of the system settings. Activating this new pilot fixed everything!

Hope it works if it happens to someone else.

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