Ive always solved this with Ctrl-Alt-F1 and Ctrl-Alt-F7. I get same picture as #81.
With update from an older/driver to kernel to 4.4.0-47 and Nvidia driver 378.13 Ctrl-Alt-F1 and Ctrl-Alt-F7 does not remove the borders anymore. unity --replace fixed it (but makes Google Chrome render all windows black until I restart Chrome) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1292830 Title: Resuming from sleep makes black borders around windows appear To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1292830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs