To repro this issue you may disable the secure boot check as indicated in the attached picture.
** Attachment added: "Disable-secure-boot-OK.jpg" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1285434/+attachment/3998576/+files/Disable-secure-boot-OK.jpg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1285434 Title: Keyboard dysfunctional while booting 14.04 Generation 2 virtual machines on Hyper-V To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1285434/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs