sudo vi /boot/grub/menu.lst (or instead of vi your favorite editor). and then add "acpi=off apm=power_off" (without quotes) at the end of the kernel you use to boot. So it should look something as:
kernel /boot/vmlinuz-xxxx-generic root=UUID="numbers here" ro quiet splash acpi=off apm=power_off A very detailed description was posted on the ubuntu forums: http://ubuntuforums.org/showthread.php?t=188244 -- [hardy] poweroff not shutting down on Dell https://bugs.launchpad.net/bugs/225431 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
