Driver 331.20 x86_64 error after installation

Hi, I have a problem. After installing the driver , I get the message (after reboot): Starting NVIDIA Presistence Deamon [fail]

My configuration:

System: Elementary OS Luna x86_64
Environment: Gnome 3.8.2
Kernel: 3.12
Gpu driver: 331.20 x86_64

check your /var/ log/ nvidia- installer. log