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Sound does not work anywhere – not directly in the laptop, not through headphones, not through HDMI, with everything in the settings shows as if there is sound, but from the speakers it does not come.
Your colleague was able to reproduce the problem – a bug in NoMachine which is not coping with a server that has HDMI connected.
I have tried all known methods from the Internet for sound problems in Ubuntu – it didn’t help.
I have searched your entire forum and found a similar problem – it is also unsolved in the threads there.
Your last suggested method with grub did not help.
I noticed that if I set the sound to hdmi in the settings and try and try to change the configuration – the output device flies to the laptop. And at the same time when selecting the output device on hdmi, the configuration selection disappears.
I can’t, because it could destroy all my work. Are you looking for any other solutions to the problem?
Hi!
No, the sound does not work outside the session in any way at all – and via HDMI. There is no sound outside the NoMachine session and it cannot be disabled.
5.19.0-46-generic – kernel version
Hi!
Thank you so much for your reply!
Yes, indeed, when connecting to the server – there was an extra monitor connected. The role of the server was a laptop.
What the command outputs (and a bit more) is attached with a screenshot.
Attachments:
pulseaudio is already installed, I did this at the very beginning in my first post – all the points from a similar article. I updated NoMachine to 8.6 (server and client) – this did not solve the problem.
It looked like a plan, but unfortunately it didn’t work 🙁
Attachments:
/var/lib/alsa/asound.state doesn’t look healthy
Attachments:
No, unfortunately not.
The problem is that there is no sound after disabling the session in NoMachine
It all started after the first connection.
I suspect I’m experiencing the same problem
NoMachine disables sound permanently on server (Ubuntu 22.04)
