It doesn't always require a change of resolution. I just noticed the lines appear after I pressed F2 to rename a desktop file. The name was unusually long and went off the screen in case that's relevant.
-- grey lines appear around screen border when nvidia changes resolution mode https://bugs.launchpad.net/bugs/529296 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs