Typed in
sudo mhwd -a pci nonfree 0300
got this:
Sourcing /etc/mhwd-x86_64.conf
Has lib32 support: true
Sourcing /var/lib/mhwd/db/pci/graphic_drivers/nvidia/MHWDCONFIG
Processing classid: 0300
Sourcing /var/lib/mhwd/scripts/include/0300
Processing classid: 0302
:: Synchronizing package databases...
core downloading...
extra downloading...
community downloading...
multilib downloading...
error: target not found: linux414-nvidia
Error: pacman failed!
Error: script failed!
Moderator edit: In the future, please use proper formatting: [HowTo] Post command output and file content as formatted text