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ernieg92
August 20th, 2008, 07:56 PM
This problem is also posted at Kubuntu forums (http://kubuntuforums.net/forums/index.php?topic=3096918.0); it's posted here to get wider audience (and hopefully quicker solution).


I just installed a PNY PCIeX16 nvidia 8500GT graphics card (was running off of m/b video). However, the only resolution I can get is either 1280x1024 or 640x400 -- I need the inbetween (1024x768). The 1280 is too small for my eyes and the 640 is useless.

I've tried using the nvidia-configuration app. I've tried using dpkg-reconfigure. I've copied lines from previous xorg.conf that worked with this monitor (different PC). I have two choices:
1. Use original xorg.conf (basically, no options) and all I get is 1280x1024.
2. Use my current xorg.conf.
A. during boot, one "Overrange" error displays but I can log in.
B. once I log out, I go to a black screen with just a mouse cursor.
C. If I <ctrl><alt><f1> and log in as root, I can restart KDM but I get A & B once again.

If I try and configure the adapter via kcontrol, it re-writes xorg.conf at the low resolution (even though I select 1024x768 -- I've verified this several times).

I'm at a loss -- I'd really like to get this working properly. The monitor is a Sceptre X7G-Naga V and the card is a PNY PCIeX16 nvidia 8500GT (512MB). Here is my xorg.conf as it's currently written.

As a side note, the OS was originally installed with the onboard graphics and using a different monitor. Is that a problem? Should I delete the xorg.conf? Using dpkg-reconfigure doesn't seem to help. Should I uninstall the driver (Kubuntu restricted driver manager installed the driver) and get the latest from nvidia?

Thanks for help.

Ernie




# xorg.conf (X.Org X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
EndSection

Section "Device"
Identifier "Configured Video Device"
Driver "nvidia"
# Option "NoLogo" "True"
Option "MetaModes" "1024x768"
EndSection

Section "Monitor"
Identifier "Configured Monitor"
# VertRefresh 50-75
# HorizSync 24-80
# Option "DPMS" "on"
EndSection

Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Defaultdepth 24
EndSection

Section "ServerLayout"
Identifier "Default Layout"
screen "Default Screen"
EndSection
Section "Module"
Load "glx"
EndSection

sjust
August 20th, 2008, 09:25 PM
I have the same video card and this is what my xorg.conf file looks like. I also use Nvidia's latest driver not the one from the restricted drivers. Hope this helps.

Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Option "AddARGBGLXVisuals" "True"
Defaultdepth 24
EndSection

Section "Device"
Identifier "Configured Video Device"
Driver "nvidia"
Option "CoolBits" "1"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
EndSection

Section "ServerLayout"
Identifier "Default Layout"
screen "Default Screen"
EndSection

Section "Monitor"
Identifier "Configured Monitor"
EndSection

Section "Extensions"
Option "Composite" "Enable"
EndSection
I also run compiz-fusion and everything work fine.