Thanks for the bug report. Next time the screen goes black and after rebooting, please run:
journalctl -b-1 > prevboot.txt and attach the resulting text file here. ** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-535 (Ubuntu) ** Changed in: nvidia-graphics-drivers-535 (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/2027614 Title: Xorg Black Screen when upgrading packages (after CUDA installation) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-535/+bug/2027614/+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