problem with nvidia settings

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http://crunchbanglinux.org – I just installed nvidia using the method outline in http://crunchbanglinux.org/forums/topic … an-stable/Now after that, I entered terminal and typed in "nvidia settings"It detected my HD TV, but when I try to change the configuration for separate X screen (requires X restart), there is nothing.  I tried the "save to X configuration file", it says my Xorg.Conf file cannot be saved.  What am I doing wrong?I just want to use one monitor on my HDTV and disable the one on my laptop.  how do i do that? (HowTos)