Found a workaround here and works for now. http://askubuntu.com/questions/883648/problem-with-latest-nvidia-drivers-375-39-and-378-13
Type-in "unity" from the terminal $ unity Believe, this should be done every time we reboot/suspend which is annoying. OR As suggested in the link, should revert to driver-367 which is from official repository Is there a way to stay with driver-375 and still resolve this ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1667158 Title: Borders of pop-up windows are displayed badly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-375/+bug/1667158/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs