sorry for my English... Thanks for your help but i find the problems it's just the xorg.conf we mate a bad change with the update systems in Feisty.
the problem is solved Thanks to You for your help next time i used the French site I'm apologise for my intrusion in the English version Valcain See you -- je ne comprend pas... https://launchpad.net/bugs/96763 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs