Problem with midi keyboard

• Mar 10, 2019 - 21:32

I am using Window 10 Education.
My midi keyboard is USB Roll Up Piano working with Everyone Piano application.
I open MuseScore application, click with my mouse on first measure, click with my mouse on input mode button, then the first place is marked, then I push a note on my midi keyboard, heard the note but nothing appear on the measure of the application!
What I have to do?

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