I'd better confirm that, same as @spectral, this is a brightness bug. The brightness is at the very lowest level, so it appears as if the laptop screen is off.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1099204 Title: Laptop screen turned off with kernel 3.8.0 in raring To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1099204/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
