$~: sudo pacman -S nvidia
resolving dependencies...
looking for conflicting packages...
:: nvidia-utils-570.144-3 and nvidia-390xx-utils-390.157-7 are in conflict (nvidia-libgl). Remove nvidia-390xx-utils? [y/N] y
error: failed to prepare transaction (could not satisfy dependencies)
:: removing nvidia-390xx-utils breaks dependency 'nvidia-390xx-utils' required by lib32-nvidia-390xx-utils
But I cannot reinstall those libs either because it breaks dependencies
sudo pacman -R lib32-nvidia-390xx-utils
checking dependencies...
error: failed to prepare transaction (could not satisfy dependencies)
:: removing lib32-nvidia-390xx-utils breaks dependency 'lib32-vulkan-driver' required by steam
390xx is for old Fermi family cards.
If you have one you'd need nvidia-390xx-dkms not nvidia.
https://wiki.archlinux.org/title/NVIDIA#Installation
Let us know which it is?