Looking for logging into the Screen Bei Ubuntu 16.04 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 Screen Bei Ubuntu 16.04 site. After that you can login as usual with your login credentials.
https://askubuntu.com/questions/797845/how-do-i-change-the-login-screen-in-ubuntu-16-04
http://tipsonubuntu.com/2016/08/20/change-login-screen-via-gtk-themes-ubuntu-16-04/
https://ubuntuforums.org/showthread.php?t=2360292
https://www.incredigeek.com/home/ubuntu-16-04-login-screen-issues/
https://stackoverflow.com/questions/46756818/ubuntu-16-04-login-screen-goes-into-loop
http://www.linuxandubuntu.com/home/remove-guest-session-from-ubuntu-login-screen
https://itsfoss.com/failed-to-start-session-ubuntu-14-04/
http://ubuntuhandbook.org/index.php/2017/10/change-login-screen-background-ubuntu-17-10/
https://unix.stackexchange.com/questions/368748/ubuntu-16-04-gui-freezes-on-login-start-page
https://forum.parallels.com/threads/unable-to-login-to-ubuntu-16-04.345023/
https://stackoverflow.com/questions/41633138/blank-screen-after-login-ubuntu-16-04
https://www.quora.com/How-can-I-fix-my-Ubuntu-16-04-which-suspends-at-the-login-screen-I-cant-even-type-a-password
https://www.faqforge.com/linux/take-screenshot-login-page-ubuntu/