Musescore play button greyed out

• Jun 27, 2022 - 13:16

Hi there, this is a recurrent bug that happens to a lot of people and it's been hardly ever solved.

My problem is that I did all the steps on the FAQ (, and nothing changes.

My version of Musescore is 3.6.2
I'm on macOS Catalina 10.15.7
I'm using the laptop's built in speakers and its own audio device.
I see no settings in I/O window, the boxes are empty even after reverting to factory settings.


Maybe a longshot, but with MuseScore running, what do you see Finder/Sound/Output (or something like that)? Sometimes Macs get a little fussy about sound output.

Most likely, some other application on your system has requested and been granted exclusive access to your sound devices. You either need to shut down that app, or disable the setting in macOS that allows programs to receive exclusive use of audio in the first place.

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