Try running the nvidia tool as root:
sudo nvidia-settings
If that doesn't work (perhaps because $DISPLAY needs to be set):
sudo bash
export DISPLAY=:0
nvidia-settings
--ronan
> Ok, now I am getting tired of doing this every time I login to my PC.
> I set the resolution to 1280x1024 but every time the PC starts up it
> is 1024x768. I don't want it.
> This is what I do:
> System-->Administration-->NVIDIA X Server Settings-->X Server Display
> Configuration-->Resolution:from Auto to 1280x1024
>
> I have tried to save the changes in the NVIDIA settings but it get
> this error message:Unable to create new X config backup file
> '/etc/x11/xorg.conf.backup'
>
> I am running 64 ubuntu 9.04.
>
> Do I need to chmod something?
>
> William
>
> --
> Freedom isn't free. You have to be willing to fight for it.
>
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