Problem still persists in Ubuntu 15.04, this makes my conclusion that it's indeed hardware. For me, the ticket can be closed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1247624 Title: [Dell Inspiron 6400] Laptop screen is turned off, needs shutdown to work again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1247624/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
