This behaviour may be aresult of earlier tinkerings to fix an ugly bootsplash in 10.10 or earlier. See comments by mia1dolfan, #18 in bug #767927.
I ran the revert changes script at their suggestion for this at: http://www.kyleabaker.com/downloads/ubuntu/scripts/plymouth- resolution-fix-revert-back.sh.zip and can now logout/shutdown again on an fglrx machine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/762203 Title: Computer is not turned off at shutdown -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs