Looking for logging into the Ubuntu No Keyboard Mouse Screen site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Ubuntu No Keyboard Mouse Screen site. After that you can login as usual with your login credentials.
https://askubuntu.com/questions/837003/ubuntu-16-04-freezes-on-login-screen-no-keyboard-or-mouse-working
https://ubuntuforums.org/showthread.php?t=1988754
https://unix.stackexchange.com/questions/368748/ubuntu-16-04-gui-freezes-on-login-start-page
https://bugs.launchpad.net/bugs/1630245
https://ubuntu-mate.community/t/login-screen-not-working/15454
https://devtalk.nvidia.com/default/topic/994722/jetson-tx1/doesn-t-working-a-keyboard-and-mouse-after-upgrade-ubuntu-16-04/
https://superuser.com/questions/1222706/ubuntu-login-screen-hangs-after-installing-xpra
https://symless.com/forums/topic/4393-no-mouse-and-keyboard-input-on-ubuntu-1710-client/
https://github.com/intel-aero/meta-intel-aero/issues/363
https://www.linuxquestions.org/questions/linux-general-1/laptop-keyboard-and-mouse-won%27t-respond-at-login-screen-4175615078/
http://e-mats.org/2009/05/keyboard-not-working-after-booting-ubuntu/
https://it.toolbox.com/question/frozen-unbutu-no-keyboard-or-mouse-movement-090514
https://www.reddit.com/r/Ubuntu/comments/8pznw2/keyboard_not_working_after_updating_to_1804/