The same problem occurred to me also..but it happened after upgrading all the packages to latest version.
I have updated my kernel to the latest kernel as described in the post(log on to the link given) and it worked for me. http://ubuntuhandbook.org/index.php/2015/02/upgrade-linux-kernel-3-19-ubuntu-14-04/ Problem fixed. -- 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 to appear To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1292830/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
