That BIOS update is for Broadwell systems only, mine's a Haswell (BIOS revision 00KT19AUS).
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date gives O00KT19AUS 09/30/2014 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1463422 Title: Lenovo A740 doesn't poweroff on shutdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1463422/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs