Mythological, you have to fix the system to the point that you can install packages. I am not sure you are that point yet from your description. Once you are there, you can install an old kernel by following the procedure outlined here https://askubuntu.com/questions/928146/install-an-older-kernel-14-04-lts If you can only log into a terminal, you need to identify the 4 kernel packages you want and install them with sudo apt install [packagenames]
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1750937 Title: 4.4.0-116 Kernel update on 2/21 breaks Nvidia drivers (on 14.04 and 16.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1750937/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp