Cubase 12 problems midi in out

Hello,
I,m using my tyros 3 as a midi controller,in cubase 12 its receiving data and sound only whit my mouse but not from my tyros 3 help please

Why do you post this in the Nuendo section?
Please move it to Cubase.

You should show us more information about your current setup. Otherwise, it’s only guessing what’s wrong.