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increasing screen resolution, nvidia xconf.org


I have been for the last few months trying to figure out how to increase the screen resolution on my Dell Inspiron 5150 running Debian Lenny with a GeForce FX Go5200 64mb.

The maximum screen resolution is currently 1024x768. 

I have entered '1280x1024' into the xorg.conf file under Screen >> Modes:


Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "AllowGLXWithComposite" "True"
    SubSection     "Display"
        Depth       24
        Modes      "1280x1024"


This does not work, and gives me the following result in the xconf log:


(--) NVIDIA(0): Connected display device(s) on GeForce FX Go5200 at
(--) NVIDIA(0):     PCI:1:0:0:
(--) NVIDIA(0):     Seiko (DFP-0)
(--) NVIDIA(0): Seiko (DFP-0): 270.0 MHz maximum pixel clock
(--) NVIDIA(0): Seiko (DFP-0): Internal Dual Link LVDS
(II) NVIDIA(0): Assigned Display Device: DFP-0
(WW) NVIDIA(0): No valid modes for "1280x1024"; removing.
(WW) NVIDIA(0): Unable to validate any modes; falling back to the default mode
(WW) NVIDIA(0):     "nvidia-auto-select".
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0):     "nvidia-auto-select"
(II) NVIDIA(0): Virtual screen size determined to be 1024 x 768
(--) NVIDIA(0): DPI set to (86, 84); computed from "UseEdidDpi" X config


I am not sure how to proceed, but it would really be nice to have a larger screen resolution to work with. Would anyone be able to assist me? I have installed the nvidia drivers the 'debian way' rather than using the nvidia installer. I believe that is the reason I don't have access to 'nvidia-settings' like some people do. I'm not too familiar with working in a terminal or with debian linux.

If anyone can assist, I would appreciate it.

Thank You,


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