Install NVIDIA Drivers
sudo mhwd -a pci nonfree 0300
Configure The Resolution/Refresh Rate
sudo nvidia-settings
Save to X Configuration File button and save to /etc/X11/mhwd.d/nvidia.conf
sudo mhwd-gpu --setmod nvidia --setxorg /etc/X11/mhwd.d/nvidia.conf
Configure X Screen settings (OpenGL Settings, Antialiasing, X Server XVideo)
Troubleshooting: X-Server Failed to Start and Install
sudo mhwd -r pci video-nvidia
Reboot your computer
sudo gedit /etc/mkinitcpio.conf
delete the word nouveau from the following line:
MODULES=" nouveau"
# sudo mkinitcpio -p [linux kernel version] sudo mkinitcpio -p linux419
sudo mhwd -a pci nonfree 0300