try to add "acpi=force" without the double quote in grub... this works for me both ubuntu and kubuntu.
-- HP desktop won't power off on shutdown https://bugs.launchpad.net/bugs/326988 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
