issue with Nvidia Drivers

The issue is that I have used this guide for installation of Nvidia :

https://en.opensuse.org/SDB:NVIDIA_the_hard_way

But when I try to acces nvidia-sever or nvidia-Prime, I couldn’t do this.

How can I fix it?

Hi
Perhaps running Wayland?

Did you follow both SDB articles?
https://en.opensuse.org/SDB:NVIDIA_SUSE_Prime