How did you try that?
Are you interacting with the system via chroot ?
(just in case heres a link)
From there maybe you can
-
Make sure to be up to date:
sudo pacman-mirrors -f && sudo pacman -Syyu
(be sure to share any errors you might encounter) -
Share with us some system info. The 2 following links might help:
How to provide system information
How to use public command line pastebin services without installing anything
It might help to provide mhwd output as well:
mhwd -l -d