Is your keyboard failing or acting abnormally ask your issue questions here.
My keyboard looks like algebraic formulas or
some kind of code like the n key pressed I get nh
I’ve moved this to the https://community.ubuntu.com/c/support-help-requests category because this site isn’t designed to take tech support questions. Sorry. I’d recommend using one of the official support channels listed on the https://community.ubuntu.com/t/finding-help/712 page.