I'll report the same or similar problem on my Lenovo Thinkpad P540P using 14.04. New kernel 3.13.0-48 broke my USB mouse and my Wifi Connectivity. Keyboard still worked though, but I am using an internal laptop keyboard rather than USB one. Reverting to 3.13.0-46 "solved" these problems.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1440174 Title: Keyboard and Mouse don't work with latest Kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1440174/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs