Try with the latest precise kernel (-18), and if it isn't better, try a mainline kernel from here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-rc6-precise/ ** Package changed: xorg (Ubuntu) => xserver-xorg-video-intel (Ubuntu) ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/945006 Title: Screen flickers heavily after upgrading to 12.04 beta 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/945006/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
