I also have this problem with my HP probook 4540s (running 12.04). I've found that it doesn't happen if I have low battery, and sometimes, restarting will result in a shutdown.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1049466 Title: Need support of Ralink RT3290 wifi support To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1049466/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs