Thanks for the bug report. Next time the problem happens, after rebooting please run:
journalctl -b-1 > prevboot.txt and attach the resulting text file here. ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1986606 Title: When locking computer with Win+L, screen goes black permanently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1986606/+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