Vyskusaj toto:
* nainstalovat balik build-essentials
* nainstalovat balik linux-headers
* nainstalovat baliky pkg-config, xserver-xorg-dev
* odinstalovat balik nvidia-glx -> apt-get --purge uninstall nvidia-glx
* odinstalovat nvidia-glx-new -> apt-get --purge uninstall nvidia-glx-new
* vymazat subory /etc/init.d/nvidia-glx a /etc/init.d/nvidia-kernel
* v subore /etc/default/linux-restricted-modules alebo /etc/default/linux-restricted-modules-common
zakazat nvidia moduly: DISABLED_MODULES="nv nvidia_new" (ak je v uvodzovkach aj nieco ine, tak to tam nechat)
* vymazat subor /lib/linux-restricted-modules/.nvidia_new_installed
Az potom instalovat neslobodny driver (a aj ked ho uz mas, tak spustit instalak znova).
Zdroj:
http://www.nvnews.net/vbulletin/showthread.php?t=72490