Thanks so much - perfect advice! Been doing a bit of research and it seems that xorg.conf isn't created automatically these days. It's not been needed since 9.10.
Creating it** is possible but have been receiving unexpected errors. So I'll research those and keep digging. Will let you know what I come up with. Could take some time but I'm here for the long haul.
Sadly, the update to 11.04 didn't magically fix the issue.
** using these directions: