Wish I had seen this posting earlier. I have the same problem with my
machine, which happens to be the same hardware as the op (Sony Vaio PCG-
R505GL).
--
after upgraded to 9.10, 1024x768 mode disappeared although it was on 9.04
https://bugs.launchpad.net/bugs/466813
You received this bug notific
sim909's trick also fixed the problem for me. Maybe this is more of a usability
bug. It is rather counterintuitive to have menu options at the top for "Themed"
and "Themed with face browser" and then to also have themes in the list of
themes that are, e.g., "Human" and "Human with face browser"
I had the same issue after my upgrade (same ubuntu and gdm versions as OP). I
have tried with both the "Human list" theme and the "Happy GNOME with Browser"
theme.
I also tried using both the "include all users from /etc/passwd" option and
adding the users manually to the include list in the log
