I also attach a photo of the display of my HP ZBook 15 showing the messages from the frozen boot process (the latest development release of ubuntu amd64, dated to 21st January).
** Attachment added: "photo of the failed boot from DVD" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1255104/+attachment/3953553/+files/DSC_0009.JPG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255104 Title: HP ZBook 15 Try Ubuntu via Live DVD freezes system after a while To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1255104/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs