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I have a dual monitor setup using the ViewSonic below as my primary and the Acer as my secondary. I'm assuming that the Acer does not send the EDID so it's not picking up on the correct native resolution. The ViewSonic works right away when I installed the nVidia drivers. That has a native resolution of 1440x900 and so does the Acer so I know the hardware is capable of that resolution. I have searched and searched and have not been able to get it to work. I've tried adding modes through xrandr but I get an error when I try to add the new mode to the output the Acer is using. I've also attempted to add metamodes to the xorg.conf which for some reason don't show up in the nvidia-settings dialog.

Hardware:

  • nVidia 8800GTS (specifically this)
  • ViewSonic VA1930wm
  • Acer AL1916W

xorg.conf:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 304.51  (buildmeister@swio-display-x86-rhel47-06.nvidia.com)  Tue Sep 18 18:48:23 PDT 2012

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
    Option         "TwinView" "1"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection
share|improve this question
    
Doesn't look like anyone has an answer. I remember getting this working at one point (when I had Ubuntu installed alongside Win7) I just don't remember the specific configuration in the xorg.conf that made it work. –  justin.chmura Mar 19 '13 at 15:53

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