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Hi my Ubuntu has developed a strange problem. It just ignores my xorg setting and falls back to what I presume is a hardware default setting.

In more detail when I do a clean install it automatically sets my resolution to 1920x1080i @60hz, I then change this to 1920x1080p @60hz but this causes the resolution to set its self to 1920x1080i @50hz after a reboot, and then no matter what I set the xorg to it always boots at this resolution.

I can change the setting in the nvidia-settings dialog (yes I have ran it as root) but it never saves my setting and falls back to this resolution.

Heres some system spec : 2x P4ht @ 3ghz Nvidia g force 310 via hdmi
Connected to a HD 1080p tv

I really hope someone can help as this is a real pain.

Heres a link to my xorg set up for 1080p @50hz http://paste.ubuntu.com/1146394/

Thanks in advance...

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  • Change the resolution in the Displays pane in system settings. I don't think Xorg.conf is actually used anymore.
    – Ian N
    Aug 13, 2012 at 22:04
  • Xorg is not used by default, but if you create one at /etc/x11 ubuntu should use this by default as my card is nvidia xserver is in charge of the graphics. The resolution is set in display settings but I canot change the V refresh or choose I or P there.
    – Mark Kirby
    Aug 13, 2012 at 22:09
  • Please include the contents of your xorg.conf file in your question.
    – Chan-Ho Suh
    Aug 14, 2012 at 6:58

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