How to rotate the screen automatically on boot-up?

[ddreamer at ms93.url.com.tw]

Hi, all:

        I am using a laptop with Ubuntu Lucid Lynx and nVIDIA
8300. There is one screen associated with the laptop itself, and I have another screen connected
to the laptop. I want to rotate it 90 degrees on bootup. I know that "xrandr -o left" do
the work. But put the command line into the "Gnome->Preferences->Sessions->Startup
programs" failed to rotate the screen (I even specify --screen 1 parameter). Anybody tell me
how do work it out?



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