Green screen/hardware decoding problem

Forum / NoMachine for Windows / Green screen/hardware decoding problem

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  • #22385

    Recently (I think with the latest update) my environment started producing an almost completely green screen when I log in.  If I go into settings and select “disable client hardware decoding”, that fixes it, but it hurts responsiveness and clearly doesn’t perform as well.

    I’m using 6.6.8-8 on an Ubuntu 18.04.2 server, and the client is current as of May 2019 on Windows 10.

    Is this a known issue?  Anything I can provide to help narrow down a root cause?

    This is an Xubuntu machine, should such a thing matter.



    are you aware of any video drivers update on your system? What’s your graphics card model and driver version?

    Please also send client side logs, gathered while reproducing the green screen problem. You can extract them as explained in and send to forum[at]nomachine[dot]com.


    Same problem, with a Lubuntu 16.04 server and an updated Windows 10 client. The graphics card is a radeon HD 3850 with Windows driver


    Hi gabriele,

    can you specify the driver version? If possible, send us the logs as explained in my post above.

    And does disabling ‘client side hardware decoding’ fix the problem also in your case?

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