Let me know which and music software you're using! M series Mac users: start here

M-Audio discontinued official support for the X Session Pro over a decade ago. There are no native Apple Silicon drivers for this controller. However, there is a "hot fix" workaround using the legacy M-Audio drivers via Rosetta 2.

: Most modern software (Traktor, Serato, etc.) will recognize it immediately as a MIDI device . Compatibility Notes X-Session Pro Quick Start Guide

: Open Finder and navigate to /Library/Extensions/ . Look for any files starting with M-Audio (e.g., M-AudioXSessionPro.kext ) and move them to the Trash.

Older software that originally came with the unit, such as Torq LE or Enigma , is 32-bit and will not run on any macOS version from Catalina (10.15) onwards. Where to Find Support

: If the icon is grayed out, try a different USB cable or port. For persistent issues, delete the device from the MIDI Studio and re-plug it to allow macOS to redetect it. Software Configuration : In applications like Ableton Live