Not sure whether this helps or not but I was able to install and update Lubuntu 12.10 and Xubunbtu 12.10 on the same tablet without any problems. Below is the X Org version (using "X -version") for Lubuntu:-
X.Org X Server: 1.13.0 Release Date: 2012-09-05 X Protocol Version 11, Revision 0 Build Operating System: Linux 3.2.0-26 Current Operating System: Linux 3.5.0-17 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1076776 Title: 12.10: Default background after logon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1076776/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs