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    #1

    2 out of 3 monitors working

    I just built a machine last night and am trying to get my 3 monitor working. I have been able to get 2 of them working.
    I have 2 PNY GeForce GTX 750 Video Cards installed and have been primarily using the nvidia-settings to configure them.
    All 3 show up in nvidia-settings and show correctly on the layout. They are 3 in a horizontal arrangement and the one that won't turn on is the one in the middle. When I drag a window from left to right it is obvious that it is acting like the monitor is there, but it is not displaying anything. The monitor is working, I have swapped them and it works on other ports. The one that is not displaying is the second port on the video card. I switched it to the other video card (also secondary port) to no avail.

    • Kubuntu 14.10
    • KDE 4.14.1
    • GRUB Version 0.97-26ubuntu66
    • No other OS installed



    Information about your PC:

    • Desktop
    • Intel Core i7 4790K
    • 2 - PNY GeForce GTX 750
    • 32 GB of RAM
    • 4 - Internal 3TB HDD
    • 1 - BD-Burner
    Tags: None
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    #2
    Here is a copy of my xorg.conf...

    # nvidia-settings: X configuration file generated by nvidia-settings
    # nvidia-settings: version 346.47 (buildmeister@swio-display-x86-rhel47-01) Thu Feb 19 19:18:25 PST 2015


    # nvidia-xconfig: X configuration file generated by nvidia-xconfig
    # nvidia-xconfig: version 346.47 (buildmeister@swio-display-x86-rhel47-01) Thu Feb 19 19:19:45 PST 2015


    Section "ServerLayout"


    # Removed Option "Xinerama" "0"
    # Removed Option "Xinerama" "1"
    # Removed Option "Xinerama" "0"
    Identifier "Layout0"
    Screen 0 "Screen0" 0 0
    Screen 1 "Screen1" 2560 0
    Screen 2 "Screen2" 1280 0
    InputDevice "Keyboard0" "CoreKeyboard"
    InputDevice "Mouse0" "CorePointer"
    Option "Xinerama" "1"
    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 "Acer V196L"
    HorizSync 31.0 - 83.0
    VertRefresh 56.0 - 76.0
    Option "DPMS"
    EndSection

    Section "Monitor"
    Identifier "Monitor1"
    VendorName "Unknown"
    ModelName "Acer V196L"
    HorizSync 31.0 - 83.0
    VertRefresh 56.0 - 76.0
    EndSection

    Section "Monitor"
    Identifier "Monitor2"
    VendorName "Unknown"
    ModelName "Acer V196L"
    HorizSync 31.0 - 83.0
    VertRefresh 56.0 - 76.0
    EndSection

    Section "Device"
    Identifier "Device0"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName "GeForce GTX 750"
    BusID "PCI:1:0:0"
    EndSection


    Section "Device"
    Identifier "Device1"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName "GeForce GTX 750"
    BusID "PCI:2:0:0"
    Screen 0
    EndSection


    Section "Device"
    Identifier "Device2"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName "GeForce GTX 750"
    BusID "PCI:2:0:0"
    Screen 1
    EndSection


    Section "Screen"


    # Removed Option "nvidiaXineramaInfoOrder" "CRT-0"
    # Removed Option "metamodes" "nvidia-auto-select +0+0"
    # Removed Option "nvidiaXineramaInfoOrder" "DFP-2"
    # Removed Option "metamodes" "DVI-I-0: nvidia-auto-select +0+0, DVI-D-0: nvidia-auto-select +1280+0"
    # Removed Option "metamodes" "DVI-I-0: nvidia-auto-select +0+0"
    Identifier "Screen0"
    Device "Device0"
    Monitor "Monitor0"
    DefaultDepth 24
    Option "Stereo" "0"
    Option "nvidiaXineramaInfoOrder" "CRT-0"
    Option "metamodes" "nvidia-auto-select +0+0"
    Option "SLI" "Off"
    Option "MultiGPU" "Off"
    Option "BaseMosaic" "off"
    SubSection "Display"
    Depth 24
    EndSubSection
    EndSection


    Section "Screen"


    # Removed Option "metamodes" "nvidia-auto-select +0+0"
    Identifier "Screen1"
    Device "Device1"
    Monitor "Monitor1"
    DefaultDepth 24
    Option "Stereo" "0"
    Option "nvidiaXineramaInfoOrder" "CRT-0"
    Option "metamodes" "DVI-I-0: nvidia-auto-select +0+0"
    Option "SLI" "Off"
    Option "MultiGPU" "Off"
    Option "BaseMosaic" "off"
    SubSection "Display"
    Depth 24
    EndSubSection
    EndSection


    Section "Screen"
    Identifier "Screen2"
    Device "Device2"
    Monitor "Monitor2"
    DefaultDepth 24
    Option "Stereo" "0"
    Option "metamodes" "DVI-D-0: nvidia-auto-select +0+0"
    Option "SLI" "Off"
    Option "MultiGPU" "Off"
    Option "BaseMosaic" "off"
    SubSection "Display"
    Depth 24
    EndSubSection
    EndSection

    Thank you in advance.
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