This happens to me on my ASUS ZenBook UX32VD with a GeForce GT620M if I plug in an external monitor while using the GeForce card, but not if I plug in the monitor while using the Intel graphics and then switch to the GeForce card afterwards
$ uname -r 3.13.0-35-generic $ apt list xserver-xorg-video-intel Listing... Done xserver-xorg-video-intel/trusty-updates,now 2:2.99.910-0ubuntu1.1 amd64 [installed] $ apt list compiz nvidia-prime nvidia-331 Listing... Done compiz/trusty-updates,now 1:0.9.11.2+14.04.20140714-0ubuntu1 all [installed] nvidia-331/trusty-updates,now 331.38-0ubuntu7.1 amd64 [installed] nvidia-prime/trusty,now 0.6.2 amd64 [installed,automatic] $ apt-cache policy nvidia-331-updates nvidia-331-updates: Installed: (none) Candidate: 331.38-0ubuntu7.1 Version table: 331.38-0ubuntu7.1 0 500 http://dk.archive.ubuntu.com/ubuntu/ trusty-updates/restricted amd64 Packages 331.38-0ubuntu7 0 500 http://dk.archive.ubuntu.com/ubuntu/ trusty/restricted amd64 Packages $ apt-cache policy compiz compiz: Installed: 1:0.9.11.2+14.04.20140714-0ubuntu1 Candidate: 1:0.9.11.2+14.04.20140714-0ubuntu1 Version table: *** 1:0.9.11.2+14.04.20140714-0ubuntu1 0 500 http://dk.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 100 /var/lib/dpkg/status 1:0.9.11+14.04.20140409-0ubuntu1 0 500 http://dk.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages Btw: +1 for comment #30 :) -- 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: Huge black borders around windows after resuming To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1292830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs