Question: how to install graphics driver in centos 7?
Answer: Prepare your machine. yum -y update. yum -y groupinstall "GNOME Desktop" "Development Tools" ... 
Reboot your machine to make sure you are running the newest kernel.
Reboot your machine.
Reboot your machine.
Run the CUDA installer. sh cuda_*.run. ... 
To add CUDA to your environment add the following files.