Please try to switch to a tty by pressing: ctrl+alt+F2 Login with username (probably user) and your password. Once login is done please press each of the keys that seemed unreliable. And check for console feedback/echo. Are there any non-working? If not enter passwd It will change your user password via dialogue. Don’t log out. Return back to the GUI by pressing ctrl+alt+F1 If logged in, log out. Try the password. If it works, fine. If not, return to tty by pressing ctrl+alt+F2 and set it a...
