sudo nvidia-xconfig
WARNING: Unable to locate/open X configuration file.
Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-server.pc' to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found'
Continuing to grasp at straws:
sudo nvidia-xconfig
WARNING: Unable to locate/open X configuration file.
Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-server.pc' to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found'