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For three years I have successfully used an ensemble consisting of Beam and two Play1s to play back my PC sound. This is done via an external sound card (SPDIF) and a TOSLINK cable connected to it. A few days ago the sound stopped completely! I suspect a connection with the recent SONOS controller update, the second suspect is Microsoft. I spent a total of three full days trying to find a solution - in vain. My great frustration is mixed with despair.
Here are some pieces of the puzzle from my search so far:
It is a Windows 11 PC.
A second Windows 11 PC shows the same failure.

Sound signals are displayed graphically.
Connecting an Android tablet to the TOSLINK cable: music plays!
New external sound card does not help on both PCs.

Does anyone have a brilliant idea?


Here are some screenshots for illustration.

 

Hi @HPU 

In case anyone has not tried this functionality in a while, all Sonos products should now be able to play from an optical input.

If you are still having this problem, please ensure your Sonos system is up to date: Settings icon » Manage » System Updates » Check for Updates

I hope this helps.

I have the same issue with Windows 10 and 11. It all worked OK until some updates about a week ago.

Using the same USB device, updated Sonos App, and Sonos system just running Linux works just fine.

This is rather frustrating to see that Microsoft Windows is breaking the audio device driver compatibility like this.

People who combine WIN11 and SONOS Beam in a similar way are invited to provide feedback on whether their system is still working well.

The windows updates of the last two weeks fixed the issue for me

 I have it now back in working order in Windows 10 and 11. 

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