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Thread: No display from HDMI

  1. #1

    Default No display from HDMI

    I have two monitors.
    They were just working fine but suddenly HDMI one is just black now.
    If I connect the HDMI monitor via VGA it works fine.

    This happened before and I was only able to solve the problem by reinstalling OS.
    Even changing the motherboard didn't solve the problem.

    Code:
    ~> xrandr --listmonitors  
    Monitors: 2
     0: +*HDMI-2 1920/480x1080/270+1080+120  HDMI-2
     1: +VGA-1 1080/477x1920/268+0+0  VGA-1
    
    ~> xrandr --listproviders  
    Providers: number : 1
    Provider 0: id: 0x47; cap: 0xf (Source Output, Sink Output, Source Offload, Sink Offload); crtcs: 3; outputs: 5; associated providers: 0; name: modesetting
        output VGA-1
        output HDMI-1
        output DP-1
        output HDMI-2
        output DP-2
    
    ~> lspci | grep VGA
    00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09)
    


    I can provide more outputs.

  2. #2
    Join Date
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    Default Re: No display from HDMI

    If you connect both monitors to HDMI outputs what is then reported by xrandr?
    Code:
    xrandr
    openSUSE Leap 15.0; KDE Plasma 5

  3. #3

    Default Re: No display from HDMI

    Quote Originally Posted by deano_ferrari View Post
    If you connect both monitors to HDMI outputs what is then reported by xrandr?
    My second monitor does not support HDMI.

  4. #4
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    Default Re: No display from HDMI

    Quote Originally Posted by necati_cevik View Post
    My second monitor does not support HDMI.
    So first monitor is connected via HDMI and second via VGA? Please show xrandr output with both monitors connected.
    openSUSE Leap 15.0; KDE Plasma 5

  5. #5
    Join Date
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    Default Re: No display from HDMI

    Which DE or WM are you using? What method do you use to configure your display positioning and/or orientation? If you try logging into another DE or WM instead, does the black persist?
    Reg. Linux User #211409 *** multibooting since 1992
    Primary: 42.3,TW,15.0 & 13.1 on Haswell w/ RAID
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