It is a kernel issue. If you start the system from the sub menu with kernel 3.16.0.34 system will boot into login screen. Using kernel 3.16.0.36 will cause a system hang on bootup at the point
... Installing initial ramdisk -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1450905 Title: Why is my laptop not booting up after a major 112M update yesterday? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450905/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
