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Old 01-11-2010, 07:00 AM   #1
Registered: Jun 2008
Distribution: Debian
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Higher resolution with Nvidia GeForce

I have been having problems with my Nvidia GeForce 6150Se nforce 430 (I know long name) since I got the computer. I can't seem to get any more than 480x640 resolution out of it. I got a new monitor for Christmas and still no change (and I know the new monitor can support much higher resolutions). To get the new monitor to work I had to install the NVIDIA driver instead of using the open source dirver. Nothing. I can' figure it out.
System details:
Debian Lenny
Graphics - Nvidia GeForce 6150SE nForce 430
Monitor - Emerson LC195EMX (1366x768 resolution)
Old 01-11-2010, 04:48 PM   #2
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Open your /etc/X11/xorg.conf with an editor. You have to have root permissions, so do it either in a terminal, or use your favorite editor running as root (ALT-F2). Find the parameters which I colored red here.

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       30.0 - 230.0
    VertRefresh     50.0 - 180.0
    Option         "DPMS"
Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "RenderAccel" "True"
    Option         "AddARGBGLXVisuals" "True"
    Option         "DamageEvents" "True"
    Option         "UseEvents" "False"
    Option         "TripleBuffer" "True"
    Option         "BackingStore" "True"
    SubSection     "Display"
        Depth       24
        Modes      "1152x864" "1024x768" "800x600" "640x480"
Look up the values for HorizSync and VertRefresh in you monitor spec and adjust accordingly.

In subsection Display add to the Modes "1366x768" or whatever the resolution is your monitor supports. You can leave the (lower) modes there. Put it in front of the others.

Your Depth in this subsection must match the Defaultdepth give above. You could try 16 in both places.

Restart X, either with CTRL-ALT-BKSP, or open the console (CTRL-ALT-F1) log in as root and issue /etc/init.d/kdm stop and /etc/init.d/kdm start. Substitute kdm for gdm if you run Gnome.

Old 04-16-2010, 07:02 PM   #3
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Location: The Great Northwest
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never mind

Last edited by SmokinJoe; 04-16-2010 at 10:18 PM.
Old 04-17-2010, 11:03 AM   #4
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Registered: Oct 2007
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After I installed NVIDIA drivers (ubuntu), the setup wrote the xorg.conf for me. That might be easier...


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