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    #1

    Wrong primary display

    Hi all,

    I've got a bit of a problem in that many applications seem to ignore my choice of what the primary display monitor is. Some games seem to use it and its resolution rather than my primary one. Now that I think of it the Kubuntu logo on start up also hits the secondary monitor first.

    So I have two:

    My supposedly primary display monitor which is a 1920x1080 monitor running through HDMI.

    My second monitor which is a 1360x768 monitor running through DVI-D.

    Presumably I've configured something wrong in the past, has anybody got any ideas on how I could begin to troubleshoot such a problem? The HDMI one is set as the primary output in Display Settings.

    EDIT: I'm sorry, I can't seem to work out how to post attachments and don't want to just paste it in post so here's a Pastebin to my xorg log

    http://pastebin.com/nujH0d8N

    If I'm reading correctly, this section seems to identify my issue:

    Code:
    [LIST][*][COLOR=#333333][     9.891] (II) NVIDIA(0): Creating default Display subsection in Screen section[/COLOR]
[*][COLOR=#333333]    "Default Screen Section" for depth/fbbpp 24/32[/COLOR]
[*][COLOR=#333333][     9.891] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32[/COLOR]
[*][COLOR=#333333][     9.891] (==) NVIDIA(0): RGB weight 888[/COLOR]
[*][COLOR=#333333][     9.891] (==) NVIDIA(0): Default visual is TrueColor[/COLOR]
[*][COLOR=#333333][     9.891] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)[/COLOR]
[*][COLOR=#333333][     9.895] (**) NVIDIA(0): Enabling 2D acceleration[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0): Valid display device(s) on GPU-0 at PCI:1:0:0[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0):     CRT-0 (boot)[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0):     DFP-0[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0):     DFP-1[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0):     DFP-2[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0):     DFP-3[/COLOR]
[*][COLOR=#333333][    10.414] (--) NVIDIA(0):     DFP-4[/COLOR]
[*][COLOR=#333333][    10.462] (--) NVIDIA(0): LG Electronics E1960 (CRT-0): connected[/COLOR]
[*][COLOR=#333333][    10.462] (--) NVIDIA(0): LG Electronics E1960 (CRT-0): 400.0 MHz maximum pixel clock[/COLOR]
[*][COLOR=#333333][    10.462] (--) NVIDIA(0):[/COLOR]
[*][COLOR=#333333][    10.479] (--) NVIDIA(0): DFP-0: disconnected[/COLOR]
[*][COLOR=#333333][    10.479] (--) NVIDIA(0): DFP-0: Internal TMDS[/COLOR]
[*][COLOR=#333333][    10.479] (--) NVIDIA(0): DFP-0: 330.0 MHz maximum pixel clock[/COLOR]
[*][COLOR=#333333][    10.479] (--) NVIDIA(0):[/COLOR]
[*][COLOR=#333333][    10.509] (--) NVIDIA(0): Acer G276HL (DFP-1): connected[/COLOR]
[*][COLOR=#333333][    10.509] (--) NVIDIA(0): Acer G276HL (DFP-1): Internal TMDS[/COLOR]
[*][COLOR=#333333][    10.509] (--) NVIDIA(0): Acer G276HL (DFP-1): 600.0 MHz maximum pixel clock[/COLOR][/LIST]
    How do I change it so that DFP-1 is the boot monitor instead of CRT-0?
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    #2
    open system settings -> display and monitor -> Displays -> primary Display , change the combo box , if your using the NVIDIA driver then you may need to do chages thru their setting application nvidia-setting (remember as root use sudo) i can't tell you where in the dialog it would be located unfortunately as i have not used the properitary nvidia driver in some time.
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      #3
      Originally posted by sithlord48 View Post
      open system settings -> display and monitor -> Displays -> primary Display , change the combo box , if your using the NVIDIA driver then you may need to do chages thru their setting application nvidia-setting (remember as root use sudo) i can't tell you where in the dialog it would be located unfortunately as i have not used the properitary nvidia driver in some time.
      I've done both of these and neither of them worked.

      I've had to create a file called 20-nvidia.conf in the /usr/share directory and force it to run through my main monitor. Unfortunately this hasn't changed the global default and kubuntu still boots to my secondary monitor.

      What I'm trying to ascertain is now I change the global default to the main monitor titled DFI-1 so it has (boot) next to it rather than CRT in the above
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        #4
        so set your override file up to use the one monitor over the other
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          #5
          Originally posted by Damocles View Post
          I've had to create a file called 20-nvidia.conf in the /usr/share directory
          should that not go in /etc/X11/xorg.conf.d/ ?

          VINNY
          i7 4core HT 8MB L3 2.9GHz
          16GB RAM
          Nvidia GTX 860M 4GB RAM 1152 cuda cores
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            #6
            Originally posted by vinnywright View Post
            should that not go in /etc/X11/xorg.conf.d/ ?

            VINNY
            Sorry, I copied over to there too
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              #7
              Originally posted by sithlord48 View Post
              so set your override file up to use the one monitor over the other
              I thought I did. What am I missing here:

              # nvidia-xconfig: X configuration file generated by nvidia-xconfig
              # nvidia-xconfig: version 370.28 (buildmeister@swio-display-x64-rhel04-17) Thu Sep 1 20:22:52 PDT 2016


              # nvidia-settings: X configuration file generated by nvidia-settings
              # nvidia-settings: version 370.28 (buildd@lgw01-54) Thu Sep 8 21:23:44 UTC 2016


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


              Section "Files"
              EndSection


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


              # HorizSync source: edid, VertRefresh source: edid
              Identifier "Monitor0"
              VendorName "Unknown"
              ModelName "Acer G276HL"
              HorizSync 31.0 - 83.0
              VertRefresh 56.0 - 76.0
              Option "DPMS"
              EndSection


              Section "Device"
              Identifier "Device0"
              Driver "nvidia"
              VendorName "NVIDIA Corporation"
              BoardName "GeForce GTX 970"
              EndSection


              Section "Screen"
              Identifier "Screen0"
              Device "Device0"
              Monitor "Monitor0"
              DefaultDepth 24
              Option "Stereo" "0"
              Option "nvidiaXineramaInfoOrder" "DFP-1"
              Option "metamodes" "nvidia-auto-select +0+0"
              Option "SLI" "Off"
              Option "MultiGPU" "Off"
              Option "BaseMosaic" "off"
              SubSection "Display"
              Depth 24
              EndSubSection
              Option "UseDisplayDevice" "DFP-1"
              EndSection

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                #8
                to me it looks as it you have set a single montor DPF-1 to be your screen i don't seen any entry at all for anonther display
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