Nvidia issue in fedora 22

[Joe Zeff]

On 07/08/2015 09:37 AM, fedora2015 wrote:
>
> "WARNING: Unable to locate/open X configuration file.
> New X configuration file written to '/etc/X11/xorg.conf."

That's OK; it's just letting you know that you didn't have one before. 
Have you looked into it?  The important part of it for Nvidia is this:

Section "Device"
	Identifier  "Videocard0"
	Driver      "nvidia"
EndSection

In fact, as far as video goes, that should be all you need.