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Thread: LG 24MK400H-B Hdmi-no signal/Vga-bad image

  1. #21
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    Re: LG 24MK400H-B Hdmi-no signal/Vga-bad image

    Code:
    sudo apt-get purge nvidia*
    I used this and suddenly:
    1.png

    Everything still the same though

  2. #22
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    Kubuntu 18.04 Bionic Beaver

    Re: LG 24MK400H-B Hdmi-no signal/Vga-bad image

    Quote Originally Posted by migteixas View Post
    Hey,

    Changed my monitor recently to LG 24MK400H-B
    ... meaning you were using something else before. What resolution was that, and how was it connected?

    and the image is really bad whenever anything moves(scroll, mouse, videos).
    What exactly do you mean by this?

    I am currently pluged with the Vga since the Hdmi doesn't work at all.
    You'll be better off if you can get the HDMI working rather than using VGA. VGA is analogue, and many monitors' EDID implementations over VGA are pretty horrible. With that monitor, HDMI will give you a higher refresh rate as well as a less noisy signal and potentially better EDID signalling.

    The display that's initialised first, which is used for the BIOS screen, the Grub stuff and Plymouth, is set in the BIOS. You'll ideally have that set to your HDMI output. Then the X server will be started, either autoconfigured or using xorg.conf, to display the login screen. When you log in the display will be set using ~/.config/monitors.xml. Additionally, nvidia-settings stores its own configuration somewhere else.

    So there are several places where your old configuration may be interfering with your new one, in addition to all the usual fun & games with inappropriate signalling, cables, and autodetection.

  3. #23
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    Ubuntu Budgie Development Release

    Re: LG 24MK400H-B Hdmi-no signal/Vga-bad image

    Quote Originally Posted by migteixas View Post
    Code:
    sudo apt-get purge nvidia*
    I used this and suddenly:
    1.png

    Everything still the same though
    You now have 2 proprietary driver options you didn't have before. Try with a different cable if possible just to make sure that the cable isn't the problem. Do you have DVI/HDMI or VGA/HDMI ?
    Last edited by Frogs Hair; 1 Week Ago at 01:23 AM.
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