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  1. #1

    Two Monitors on Two VGA


    Good Morning,

    I would like the help of colleagues in the configuration of two monitors in two different vgas, the following scenario being:

    SO Mint 18.2 KDE Edition
    Intel Motherboard DZ77BH-5K
    32Gb DDr3 1600MHz
    01 - VGA OnBoard Intel Graphics -> LG Wide 19 "Monitor via HDMI
    02 - VGA OffBoard GeForce GTX 750 -> LG UltraWide 25 "Monitor via HDMI

    Both boards are active, and in MS OS I have image on both monitors normally, but as mine
    Production OS is the Mint, I need to image the two monitors on it.

    If I use both monitors in GTX I have image correctly, but when booting into the OS I have some problems of not showing anything until the Login screen is loaded. I did not test both monitors on OnBoard, because it has an HDMI and a Display Port (I do not have a cable) and is likely to perform poorly.

    When running xrandr I get the following return:

    create 0: minimum 8 x 8, current 2560 x 1080, maximum 16384 x 16384
    DVI-I-0 disconnected (normal left inverted right x axis and axis)
    DVI-I-1 disconnected (normal left inverted right x axis and axis)
    DP-0 disconnected (normal left inverted right x axis and axis)
    HDMI-0 connected primary 2560x1080 + 0 + 0 (normal left inverted right x axis and axis) 677mm x 290mm
    2560x1080 60.00 * +
    1920x1080 60.00 59.94 50.00 29.97 60.05 60.00 50.04
    1680x1050 59.95
    1600x900 60.00
    1280x1024 75.02 60.02
    1280x720 60.00 59.94 50.00
    1152x864 75.00
    1024x768 75.03 60.00
    800x600 75.00 60.32
    720x576 50.00
    720x480 59.94
    640x480 75.00 59.94 59.93
    DP-1 disconnected (normal left inverted right x axis and axis)

    Which tells me that the graphical interface is not detecting the OnBoard / Monitor 19 "VGA set.

    However during the boot both monitors present (different) images until the login screen appears, which is presented in the
    GTX / Monitor set 25 "and the other set gets the". . . . . "when the OS is starting.

    Anyone have a tip to help me?

  2. #2
    Linux Guru Segfault's Avatar
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    You may be better off using the displayport, why do you think it performs poorly? It is just HDMI with a little different connector.
    For two displays on different hardware Xorg manual configuration may be required.

  3. #3
    Quote Originally Posted by Segfault View Post
    You may be better off using the displayport, why do you think it performs poorly? It is just HDMI with a little different connector.
    i say the poor quality when im use only onboard video with hdmi and display port.

    i whant use two hdmi ports where one port in stay each vga independently


    Quote Originally Posted by Segfault View Post
    For two displays on different hardware Xorg manual configuration may be required.
    this is i need to use, do you help me in this question?

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  5. #4
    Linux Guru Segfault's Avatar
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    -->
    Poor quality with onboard graphics. I'd fix that. I have been using onboard Intel for long time now and I can tell it is absolutely great for my purpose (no 3D gaming). Can you describe the poor quality problem you have?

    Anyhow, I assume you did search the net. You should tell us what you have done and where you got stuck.

    DuckDuck...

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