Thanks to ilowman and dipsol. It's a temporary fix and it flickers when KDE is booting up, but at least it's not doing it all the time now.
-- Screen flickers or blanks every 10 s with KDE4 https://bugs.launchpad.net/bugs/278471 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