The issue solved by replacing the motherboard battery. The battery was empty and every-time the computer was disconnected from the power, the BIOS settings erased and the nvidia driver started to make problems.
I have to mention that I updated the time settings in the BIOS before booting Ubuntu and still it want crazy. -- nvidia driver crashes X on startup https://bugs.launchpad.net/bugs/406609 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-173 in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp