Remember, remember, the 2nd of December, Centos, Nvidia and kmod. What he said. This is a tutorial explaining how to install the Nvidia kmod package from ELRepo for CentOS 7, in order to avoid manual driver recompilation after every kernel upgrade, including preparations - build tools and Nouveau blacklist, repository setup, how to search for the right drivers, glamor package conflict, and more. Take a look. http://www.dedoimedo.com/computers/centos-7-nvidia-second.html Cheers, Mrk