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[Question #76283]: setting resolution with NVIDIA GeForce 9400 GT card

 

New question #76283 on Ubuntu:
https://answers.launchpad.net/ubuntu/+question/76283

System is booting at 800x600 and the desired resolution with the Philips 191EW monitor is 1366x768 @ 60Hz.
Installed the NVIDIA driver in Jaunty 9.04 via System>Administration>Hardware Drivers and so now have the NVIDIA GUI to make changes with.   Changing to 1366x768 worked fine but were not permitted to save the changes to the xorg.conf file.   Changed the permissions using:

sudo chmod g+w /etc/X11/xorg.conf
sudo chmod g+w /etc/X11/xorg.conf.backup

But still denied permission so worked around it manually.   The GUI allows you to preview the updated xorg.conf file before attempting to save it, so copy and pasted the contents into a new file using sudo gedit which was then used to replace the original xorg.conf

The new xorg.conf file contains the section:

Section "Screen"
      Identifier           "Screen0"
      Device              "Device0"
      Monitor             "Monitor0"
      DefaultDepth     24
      Option              "TwinView"   "0"
      Option              "metamodes"   "1366x768_60 +0+0"
      Subsection        "Display"
            Depth         24
      EndSubsection
EndSection

System is still booting to 800x600 however.   Thought of removing "metamodes" from the above option, but I'd prefer to understand the changes I'm making before recklessly blasting ahead.   After consulting textbook, also thought of adding:

            Modes       "1366x768"

to the "Display" Subsection, but don't want to mess it up through experimentation.

Might do some more searching in the forum at http://www.nvnews.net/vbulletin/forumdisplay.php?f=14
There is also the nvidia-bug-report.sh utility which can be emailed directly to NVIDIA.   But am posting here first in case there is something simple I've overlooked.

By the way, the new xorg.conf file has a comment line at the beginning which reads, "# Note that some configuration settings that could be done previously in this file, now are automatically configured by the server and settings here are ignored."


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