[Solved] Can't change resolution in GNOME

I just installed Archlinux and GNOME. Everythings works find except the resolution is 800x600 and I can't find a way to change it. When I open screens preferences it says my screen is unknown and I can only choose 800x600 or 640x480.
My video card is a Geforce 8800 GTS and my screen a Samsung SyncMaster 961BW.
When I open nVidia X Server Settings it get this message :
You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run `nvidia-xconfig` as root), and restart the X server.
Here is my xorg.conf after I did a nvidia-xconfig :
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 256.35  ([email protected])  Wed Jun 16 19:15:05 PDT 2010
Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection
Section "Files"
EndSection
Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection
Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection
Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection
Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection
There is an error in Xorg.0.log :
[    14.352] (EE) Failed to initialize GLX extension (Compatible NVIDIA X driver not found)
That must be the cause of the problem but I can't find a way to fix it.
Anyone know how I could fix my problem ?
Last edited by Derechef (2010-07-08 12:58:25)

Derechef wrote:
wonder wrote:how did you installed nvidia?
I did : pacman -S nvidia nvidia-utils
did you rebooted? is needed because now in 2.6.34 nouveau is in kernel and is blocking nvidia. nvidia package has a blacklist file for it.
like a side note, you don't need a xorg.conf at all. remove it
Last edited by wonder (2010-07-08 12:40:47)

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