Very many people have this problem (so do I). Ubuntu 10.04 was fine, but 10.10 flashes the screen approx. every 10 seconds. See http://ubuntuforums.org/showthread.php?t=1595944 for examples of others having the problem.
-- Upgraded to ubuntu 10.10 - screen flickers https://bugs.launchpad.net/bugs/666441 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