You never answered the question Len asked about running Ubuntu Studio Controls: "Running ubuntustudio-controls and clicking on the FIX Real Time Permissions button should fix that. (then log out and in or reboot)". Was this attempted?
You never answered the question Len asked about running Ubuntu Studio Controls: "Running ubuntustudio- controls and clicking on the FIX Real Time Permissions button should fix that. (then log out and in or reboot)". Was this attempted?