Solution found the problem is an old one form previous versions. The problem is graphic card driver related in particular NVIDIA.
The solution is simple: In terminal as root: cd /etc/pm/sleep.d/ $: touch compiz-fix.sh $: nano compiz-fix.sh #!/bin/bash setsid compiz --replace exit 0 ctrl+x to save $: chmod +x compiz-fix.sh to remove the changes just do as root: $: rm compiz-fix.sh Worked as a charm for me! -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs