Integrated speakers no longer work laptop?

Ja
1

Today I listened to music for a while with my headset, then when I was finished: unplugged the usb plug as always and normally the sound then switches back to the integrated speakers of the notebook, but they no longer work.

USB headset still works, my subwoofer + separate speakers also work without problems.

But no longer the integrated speakers (although the level changes when I play any sound (youtube, music, etc.). I just can't hear anything anymore.
What can be the reason and what can I do?

Sa

Settings> system> sound

Search through the various settings there to see whether the correct devices are really defined as standard and the level is active in the background.