Lucy O'Neill's a genius. Her fix worked for me. I'm running a Dell Inspiron 1720 with an NVidia card. Here's what I did
gksudo gedit /etc/default/grub Replaced e the line GRUB_CMDLINE_LINUX="" with GRUB_CMDLINE_LINUX="acpi=on" and saved the file sudo update-grub Rebooted (I had to hold the power button) Shutdown (Did not have to hold the power button) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/987220 Title: System does not power off reliably when "Shut Down" chosen from GUI To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-session/+bug/987220/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
