Solution is install discover1 package, the installation don't install the package.
** Description changed: Binary package hint: xserver-xorg when execute dpkg-reconfigure xserver-xorg, (debconf?) detect a vesa card and generic monitor, when always detect the card and the monitor, at the instalation no were problems. Information : card -> ATI Technologies, Inc. RV350 AR [Radeon 9600 XT] monitor -> PHILIPS 107T package: Paquete: xserver-xorg Estado: instalado Instalado automáticamente: no Versión: 1:7.1.1ubuntu6 Prioridad: opcional Sección: x11 Desarrollador: Ubuntu Core Developers <[EMAIL PROTECTED]> Tamaño sin comprimir: 598k Depende de: xserver-xorg-core, xserver-xorg-video-all | xserver-xorg-video, xserver-xorg-input-all | xserver-xorg-input, debconf, xkb-data | xkb-data-legacy, xbase-clients Predepende de: x11-common (>= 7.0.0-0ubuntu3) Recomienda: laptop-detect, xresprobe, mdetect, discover1 | discover Tiene conflictos con: xserver-xfree86 (< 6.8.2.dfsg.1-1), xserver-common Remplaza: xserver-common Descripción: the X.Org X server This package depends on the full suite of the server and drivers for the X.Org X server, as well as providing a configuration infrastructure to manage xorg.conf. It does not provide the actual server itself, but removing it is strongly discouraged. the hardware info was getted from original xorg.conf + + Edit: + + xserver-xorg recommends discover1 | discover -- [Edgy]dpkg-reconfigure xserver-xorg fail to detect hardware https://launchpad.net/bugs/68390 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs