I had this same bug on the 375 nvidia driver on Ubuntu 16.04.2 amd64 desktop (GTX 750 ti GPU with 3840x2160 30Hz 4:4:4 HDMI display), but it went away with 340 driver.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1675998 Title: coloured bars around windows when windows are not maximised To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1675998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
