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Old 01-16-10, 07:17 AM   #1
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Join Date: Jan 2010
Posts: 1
Question Dual monitor setup (Twinview) not working anymore after upgrading GNU/Linux driver

Hi all,

I have two identical 22" monitors connected to a GeForce 8400 GS (the card has both VGA and DVI ports). I've been enjoying this setup (TwinView) for months, but this week I upgraded the NVIDIA driver to latest version (190.53) -as well as the rest of my system-, which is Debian Testing-, and the dual setup stopped working.

The X server "sees" the two monitors (i. e, the desktop size corresponds to two monitors), but one is black and no image is shown. I can drag windows or move the mouse to the black monitor and the space is there, but I can't see anything.

I just wonder if anybody else has experienced this problem after an upgrade. Of course I've tried running nvidia-settings, tweaking my xorg.conf file and everything that came to my mind, with no luck.

This is how my xorg.conf file looks (it worked perfectly before the upgrade):

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"

Section "Files"

Section "Module"
    Load           "dbe"
    Load           "extmod"
    Load           "type1"
    Load           "freetype"
    Load           "glx"

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
	Option          "TwinView" "true"
	Option          "TwinViewOrientation" "RightOf"

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
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