This might be something crashed, or it might just be the screen failing to turn back on.
First please check for crashes using these steps: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment Next time you experience the black screen please: 1. Wait 10 seconds. 2. Reboot. 3. Run: journalctl -b-1 > prevboot.txt 4. Attach the resulting text file here. ** Summary changed: - Xorg freeze + Black screen when laptop lid is reopened ** Tags added: nouveau ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete ** Summary changed: - Black screen when laptop lid is reopened + [Dell XPS 17 9700] Black screen when laptop lid is reopened -- 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/1964386 Title: [Dell XPS 17 9700] Black screen when laptop lid is reopened To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1964386/+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
