I get a similar kind of lines in monitor after wake up from hibernation. But it lasts for only few seconds, after that contents are shown correctly on screen.
I have intel 845GLLY motherboard with onboard graphics. No extra graphics drivers are installed. -- After hibernate, monitor shows strange-colored lines https://launchpad.net/bugs/23090 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
