I have the same issue but I found a different workaround without having to resort to the Ctrl-Alt-F2 then back to Ctrl-Alt-F1 trick for the login screen to appear :
https://askubuntu.com/questions/1389869/multiple-monitors-black-screen- with-blinking-cursor-and-gnome-desktop-login-on I have to ensure that the "Primary Display" is set to the laptop monitor instead of the external monitor connected via HDMI. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1811023 Title: Xorg aborts with ../../../../dix/privates.c:384: dixRegisterPrivateKey: Assertion `!global_keys[type].created' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1811023/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
