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#1 2008-07-28 06:53:32

tntcoda
Member
Registered: 2007-07-24
Posts: 115

Multiple Monitors in KDE4.1 / XRandR

Hi,

After some help of configuring 2 monitors under kde 4.1, pre-upgrading, i did it using xinerama in the nvidia control pannel which worked perfectly in KDE 3, but KDE 4.1 didnt like this, and things ended up all over the place...

So after some research it looks like i need to be using XRandR to set them up, but i cant seem to get it working at all.

Basically, i set the screen positions and defined them as 'Seperate X Screens' in the nvidia config utility, upon starting kde only the secondary monitor is in use, however i can drag the mouse over the primary screen, but its literally a black background, with the cross cursor, i cant drag any windows onto it?

So at this point i have 2 screens defined, so i tried to use the kde KRandR control pannel app to set things up, trouble is only 1 screen, my secondary is shown in there....

Also, in the KRandR tray utility 2 screens show in there, but i cant get the second one working at all, it just remains as blacked out with the ability to move the cursor over it sad

Heres the graphical utils:
picdm7.th.png

And my xorg.conf:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder63)  Thu Jun  5 00:10:21 PDT 2008

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 1.0  (buildmeister@builder63)  Thu Jun  5 00:11:12 PDT 2008

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    Screen      1  "Screen1" 1280 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
    RgbPath         "/usr/lib/X11/rgb"
EndSection

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

Section "ServerFlags"
    Option         "Xinerama" "0"
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     "Monitor1"
    VendorName     "Unknown"
    ModelName      "NEC 20WGX2"
    HorizSync       31.0 - 83.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"

    # HorizSync source: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "NEC LCD1760NX"
    HorizSync       31.0 - 69.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Videocard0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 8800 GTX"
    BusID          "PCI:1:0:0"
    Screen          0
EndSection

Section "Device"
    Identifier     "Videocard1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 8800 GTX"
    BusID          "PCI:1:0:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Videocard0"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "DFP-1: nvidia-auto-select +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Videocard1"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "DFP-0: 1280x1024 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Would really appreciate it if someone could help me out with how to set dual screens up correctly,

Many thanks,
Jack

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#2 2008-07-28 11:32:49

paulez
Member
Registered: 2007-07-28
Posts: 24

Re: Multiple Monitors in KDE4.1 / XRandR

You are using nvidia driver, which don't support dual screen using xrandr. The best solution with nvidia driver is using TwinView I think, you should try that one.

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#3 2008-07-28 12:20:32

tntcoda
Member
Registered: 2007-07-24
Posts: 115

Re: Multiple Monitors in KDE4.1 / XRandR

ah ok, thanks will give that a try. Im getting more and more annoyed with Nvidia every day sad

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#4 2008-07-28 22:50:08

d3br074
Member
Registered: 2007-09-26
Posts: 40

Re: Multiple Monitors in KDE4.1 / XRandR

NO don't be annoyed with nvidia! its the BEST for multi-head! just use the nvidia-settings manager and set up twinview.  It works great.

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