Black screen

Forum / NoMachine for Linux / Black screen

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  • #42126


    I’ve tried googling around and trying things to no avail. I get a black screen and mouse access when I log in. At first it did not work with a Dummy HDMI plug and worked with a monitor but now it works with neither. Server is Ubuntu 22.04 and I am trying to access from a Windows 11 machine.

    I tried the suggestions I found here and they didn’t work.

    I will send logs along with the link to this post as soon as it is posted.



    In order to investigate, we need the logs from server side.

    More info on how to collect logs here in this article:

    Can you please send them by email to forum[at]nomachine[dot]com, making sure to reference the topic as the subject of the email?


    Logs are from the Player side only which don’t show the cause of the black screen which is server side 🙂

    Can you tell us the desktop environment you are connecting to on the Ubuntu machine? Can you try to execute point 3 again of the article that you consulted (stop gdm and restarting the nxserver).

    Failing that, we will need the logs from the server side as katpan requested. Logs for version 8 can be extracted using the instructions here:

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