T440 - Sound does not switch between the internal speakers and headphones listening or return

Hello community,

Let me first explain how I assumed that the switch between headset and speakers should work:
I turn on the music or anything else and if no headphones are connected, all sound from the internal speakers. Now if I plug headphones then sound comes exclusively from the helmet. If I go out then again the sound comes from the speakers and so on.

In my case, the situation is the following:
If I have no headset connected and turn on the music, then I heard if via the speakers. If I decide to continue to listen to this music through a headphone and plug them in, then the music continues to come from the speakers, but for example, the outlook notification sound is delivered in the headphones. It works vice versa.
If I open, say youtube for a video, while having the headphone is plugged, I hear the sound through them. If I now unplugg, them, the speakers will remain silent.

What can I do that if there is no external speakers connected (helmet, etc.) all sound will be played through the internal speakers, if I plug in a kind of external speaker, it's their part and if I unplugg it it switches back on the internal speakers?

Thank you very much for your help!

Best regards

Look in Control Panel audio Realtek. It should be an option multistreaming, make sure it is set to unify all devices.

Tags: ThinkPad Notebooks

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