Since when you didn’t perform the system update?
That is required to have a working system. Also reading the announcement is helpful
To make sure things are fine on your end, run this command from terminal: sudo pacman-mirrors -f && sudo pacman -Syyu
Once is done, reboot and install a newer kernel.
If you have an old Nvidia GPU, then it might not have the drivers anymore, as was running on the legacy ones. To know that please share some infor about your system as described here: