I know the "wiki" is at the top of the page, but an actual link in it would be even more helpful. And then lastly maybe a link to
and then it seems like the vast majority of issures are grub and dual boot related. Maybe those two tutorial/links to go with it? (I'm looking for a couple of good ones currently)
@Marte is the grub fix guru, maybe they have a suggestion?
And in the words of @tbg Make sure you try at least the other LTS kernels!