I haven't seen this popup so far. So I am sure it was not there(or not working) in Dapper, on the same machine.
I haven't used others distros on this machine, but if I find time for testing I will try with some LiveCds. -- Screen Brightness Little Pop-up window does not show the correct Brightness on a Thinkpad x60 https://launchpad.net/bugs/71204 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs