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Thread: [SOLVED] nvidia dual screens

  1. #1
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    [SOLVED] nvidia dual screens

    I am running Mandriva One 2009.0 using KDE4. As such the nvidia driver is 177.80 (I'll check on my Mandriva partition tomorrow).

    The problem is that whenever I try to use a dual screen it ends up being a black background with a cross for the mouse icon whenever I hover over it.

    This is more of an inconvenience than a reason to change distro but it would be nice to have both screens.

    I'll post my xorg.conf when I get back to my linux box

  2. #2
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    Re: nvidia dual screens

    It is 177.80 and below me is xorg.conf

    Code:
    # nvidia-settings: X configuration file generated by nvidia-settings
    # nvidia-settings:  version 1.0  (buildmeister@builder63)  Wed Oct  1 15:10:25 PDT 2008
    
    # File generated by XFdrake (rev 247269)
    
    Section "ServerLayout"
        Identifier     "Layout0"
        Screen      0  "Screen0" 1680 0
        Screen      1  "Screen1" LeftOf "Screen0"
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "Mouse0" "CorePointer"
    EndSection
    
    Section "Files"
        FontPath        "/usr/share/fonts/default/Type1"
    EndSection
    
    Section "Module"
        Load           "dbe"
        Load           "extmod"
        Load           "type1"
        Load           "freetype"
        Load           "glx"
    EndSection
    
    Section "ServerFlags"
        Option         "Xinerama" "0"
    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"
        Option         "XkbModel" "pc105"
        Option         "XkbLayout" "gb"
        Option         "XkbOptions" "compose:rwin"
    EndSection
    
    Section "Monitor"
    
        # HorizSync source: edid, VertRefresh source: edid
        Identifier     "Monitor1"
        VendorName     "Unknown"
        ModelName      "LG M228WA"
        HorizSync       28.0 - 83.0
        VertRefresh     56.0 - 75.0
        Option         "DPMS"
    EndSection
    
    Section "Monitor"
    
        # HorizSync source: edid, VertRefresh source: edid
        Identifier     "Monitor0"
        VendorName     "Unknown"
        ModelName      "Samsung SyncMaster"
        HorizSync       30.0 - 81.0
        VertRefresh     56.0 - 75.0
        Option         "DPMS"
    EndSection
    
    Section "Device"
        Identifier     "Device0"
        Driver         "nvidia"
        VendorName     "NVIDIA Corporation"
        BoardName      "GeForce 8500 GT"
        BusID          "PCI:1:0:0"
        Screen          0
    EndSection
    
    Section "Device"
        Identifier     "Device1"
        Driver         "nvidia"
        VendorName     "NVIDIA Corporation"
        BoardName      "GeForce 8500 GT"
        BusID          "PCI:1:0:0"
        Screen          1
    EndSection
    
    Section "Screen"
        Identifier     "Screen1"
        Device         "Device1"
        Monitor        "Monitor1"
        DefaultDepth    24
        Option         "TwinView" "0"
        Option         "metamodes" "DFP: nvidia-auto-select +0+0"
        SubSection     "Display"
            Depth       24
        EndSubSection
    EndSection
    
    Section "Screen"
    
    # Removed Option "metamodes" "CRT: 1440x900 +0+0"
        Identifier     "Screen0"
        Device         "Device0"
        Monitor        "Monitor0"
        DefaultDepth    24
        Option         "TwinView" "0"
        Option         "metamodes" "CRT: nvidia-auto-select +0+0"
        SubSection     "Display"
            Depth       24
        EndSubSection
    EndSection

  3. #3
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    Re: nvidia dual screens

    I'm not sure (I haven't used a dual NVIDIA setup for ages), but - how did you install 177.80? From /backports , or from upstream?
    Adam Williamson | http://www.happyassassin.net
    Fedora QA Community Monkey

  4. #4
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    Re: nvidia dual screens

    I found it in the repositories so it would have been from /backports (I did enable it)

  5. #5
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    Re: nvidia dual screens

    Ah. I'm not really sure, in that case . Sorry. One thing you can try is to read the NVIDIA driver docs - which are really good - and then set up xorg.conf by hand. That's how I used to do it when I had a dual-screen NVIDIA setup (although that was mainly because nvidia-settings didn't exist at that time).
    Adam Williamson | http://www.happyassassin.net
    Fedora QA Community Monkey

  6. #6
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    Re: nvidia dual screens

    You should be able to run nvidia-settings as root. Set the screens how you like and then click Apply and Save to Xorg File
    Geek by nature, Linux by choice

  7. #7
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    Re: nvidia dual screens

    Quote Originally Posted by bartos View Post
    You should be able to run nvidia-settings as root. Set the screens how you like and then click Apply and Save to Xorg File
    +1
    This is how I setup dual screen on my Dell desktop when I ran Mandriva2009 on it (gnome). I didn't have to manually install anything; Mandriva installed the needed drivers during install. Once I booted into the system I ran nvidia-settings (as root) and enabled my secondary monitor.

  8. #8
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    Re: nvidia dual screens

    I tried that but it either gave me a blank screen with a black X on or the resolutions don't match. Full screen video isn't working which is a pre-requisite =/

  9. #9
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    Re: nvidia dual screens

    I forgot to ask if you went to System -Preferences -Screen Resolutiions and put a check mark in Mirror Screens. Do this first and then setup twinview in nvidia-settings as root.
    Geek by nature, Linux by choice

  10. #10
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    Re: nvidia dual screens

    Cheers but I don't want Twinview since they're two different monitors. Separate X screens is a must

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