I did change the xorg.conf with this configuration (attached) and all works fine
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: New => Fix Committed ** Changed in: xserver-xorg-video-ati (Ubuntu) Assignee: Bryce Harrington (bryceharrington) => Rolando F. Blanco C:. (rolando) -- IBM Thinkpad T40 - Video ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500] https://bugs.launchpad.net/bugs/353996 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs