Try to re-install linux-restricted-modules and the binary-driver-package of your graphic card (if it's in use on your computer).
You can do this in aptitude with the key "L". -- hard lockup, blank screen and keys irresponsive https://bugs.launchpad.net/bugs/201323 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
