Thanks for the follow-up... it will be another few weeks before I have time to attempt the Dapper upgrade on this system.
(If I have enough time, I might also attempt a separate clean install, which won't be straightforward because it's an oldworld Mac.) -- laptop-mode doesn't start automatically https://launchpad.net/bugs/18961 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs