I tested with a external lcd and this let it work. No longer a black screen and small resolutions. So I think the problem lies on the local flat panel. I will attach the Xorg.log with the external lcd and the one with the lfp.
** Attachment added: "i810 with a external lcd." http://librarian.launchpad.net/6197862/Xorg.log.crt -- dapper: intel 945 runs 640x480 https://launchpad.net/bugs/36306 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs