Dual screen reset after restart

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http://askubuntu.com – I have an Xubuntu system: $ uname -a Linux tnick-desktop 3.5.0-21-generic #32-Ubuntu SMP Tue Dec 11 18:51:59 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 12.10 Release: 12.10 Codename: quantal with an Nvidia video card: $ lspci | grep VGA 01:00.0 VGA compatible controller: NVIDIA Corporation G96 [GeForce 9500 GT] (rev a1) When I first installed Xubuntu and Nvidia's current driver all went fine. I was able to use nvidia-settings to configure the monitors to show a side-by-side view, saved the xorg.conf file and eve (HowTos)