My system is not even letting me enter my password. As soon as i select the username to enter my password i am getting an error "That didnt work Please try again." I tried to login to tty by pressing alt+ctrl+f3 even there it is not working. it says invalid login as soon as i enter my username and press enter.

  • 5
    Possible duplicate of TTY doesn't wait for password
    – Jos
    May 31 '19 at 21:46
  • @Nmath But i dont even if I press enter. I press space bar to get the password screen. but as soon as i get the password prompt i see the error. i even tried creating a new user by going into root login via grub, but even there i am facing the same problem Jun 1 '19 at 19:11
  • I tried upgrading the kernel as suggested in the solution. it was Linux i upgraded it to still no difference.. Jun 5 '19 at 13:10
  • This bug was reportedly fixed with kernel 4.18.0-15 Have you tried a previous kernel? 4.18.0-15-generic from the repositories works fine here. Perhaps there has been a regression.
    – Elder Geek
    Jun 7 '19 at 3:05

@user3711432 when you hit space-bar to get the login screen it actually puts a space" " in the username field. Hit the backspace once or twice when you hit spacebar to get the login screen , and then type the username . This will probably work

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