Black Screen: Linux Client to Headless Mac Mini M4 Server

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  • #51381
    MrPoetry
    Participant

    Brand Noob to NoMachine. Trying to connect from Linux to Mac.

    • Linux: NoMachine Free 8.14.12 on Zorin OS 16.3
    • Mac Mini M4 (headless): NoMachine Free 8.14.12 on MacOS 15.1

    I also control the Mac Mini from a MacBook Pro using native Screen Sharing (which is how I installed NoMachine).

    When I connect Linux client to Mac server (as the Mac’s admin user), NoMachine on the Mac reports the connection is made and “desktop is currently viewed.” On the Linux box, NoMachine opens the connection window, with the Mac’s user name as the window title, but the window is totally black.

    Having only just installed NoMachine for the very first time on both computers a mere hour ago, I have no clue where to begin.

    #51406
    bucu
    Participant

    Hi,

    I would start by checking if Screen Recording and Accesabilty permisions are set for NoMachine. If they are, you can try to toggle them off and on. After that please restart NoMachine with sudo /etc/NX/nxserver --restart. This command can be used to get prompts for those permissions if there was no NoMachine entries on those lists. Another thing to check would be making sure that macOS Screen Sharing session is off when trying to connect with NoMachine.

    If that doesn’t help can you try installing NoMachine on your MacBook and tell us if the black screen is there too? If yes, then can you try connecting any kind of monitor to your mac mini to check if the image is there after connecting? If none of that helps we would need logs from server side. Instructions on how to get them can be found https://kb.nomachine.com/DT07S00243. You can send them to forum[at]nomachine[dot]com.

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