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Thread: Cant get 2nd monitor in Twinview to use higher rez then 640x480

  1. #1
    Join Date
    Apr 2008
    Beans
    92

    Angry Cant get 2nd monitor in Twinview to use higher rez then 640x480

    getting my second monitor to use a higher rez is like pulling teeth from a crocodile. I have the second screen working in twinview but not matter what I do i cannot increase the resolution. I have an Nvidia card so I have setup everything I can in NVIDIA-Settings but the second monitor never has any options aside from 320x240 and 640x480. I have tried to input modes into the Xorg according to the documentation but it isnt very user friendly and all i get is broken desktops.

    VIDEO CARD - NVIDIA 8800 GTS 512
    Monitor(one that doesnt work) - Gateway FPD1830 (is CRT-1 in nvidia settings)

    the following is the contents of my Xorg.conf------------------------------
    Section "ServerLayout"
    Identifier "Default Layout"
    Screen 0 "Screen0" 0 0
    InputDevice "Generic Keyboard" "CoreKeyboard"
    InputDevice "Configured Mouse"
    EndSection

    Section "Module"
    Load "glx"
    EndSection

    Section "ServerFlags"
    Option "Xinerama" "0"
    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 "Monitor"
    Identifier "Configured Monitor"
    EndSection

    Section "Monitor"
    Identifier "Monitor0"
    VendorName "Unknown"
    ModelName "CRT-1"
    HorizSync 28.0 - 33.0
    VertRefresh 43.0 - 72.0
    EndSection

    Section "Device"
    Identifier "Configured Video Device"
    Driver "nvidia"
    EndSection

    Section "Device"
    Identifier "Videocard0"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName "GeForce 8800 GTS 512"
    EndSection

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

    Section "Screen"
    Identifier "Screen0"
    Device "Videocard0"
    Monitor "Monitor0"
    DefaultDepth 24
    Option "TwinView" "1"
    Option "TwinViewXineramaInfoOrder" "DFP-0"
    Option "metamodes" "CRT: nvidia-auto-select +1680+0, DFP: nvidia-auto-select +0+0"
    SubSection "Display"
    Depth 24
    Modes "1024x768"
    EndSubSection
    EndSection


    Xorg.conf end--------------------------------------

    Any ideas about how i can fix this, im going F'ing bonkers here!

  2. #2
    Join Date
    Feb 2007
    Beans
    2,339
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Cant get 2nd monitor in Twinview to use higher rez then 640x480

    Note the following:
    Code:
    HorizSync 28.0 - 33.0
    VertRefresh 43.0 - 72.0
    If you know the actual values required by your monitor (or can find out from the user manual) . Else, play around with the values, provided you make a back-up xorg.conf first.

    I would be inclined to change the HorizSync to something like this first:
    Code:
    HorizSync 30.0 - 80.0
    Be careful not to "over-do" it if you have a CRT monitor (as opposed to LCD); you might cause real damage.

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