Reconnect your Serato hardware, then launch Serato DJ software and check to. Hello, If, on your Mac running on Mac OS 10.9.3 and if you never installed the Rmx on this Mac OS before Mac OS 10.9.2, I have another possible explanation (as many users have their MIDI controllers not properly detected in Mac OS 10.9.3). Description: Mac OS X driver package for DJ Console Rmx - Version 1.95 Installation procedure: 1- Click the link below to download the new driver for your Hercules DJ Console 2- Once the download is complete, double-click the installation file and follow the instructions provided to install your drivers. Download Free DJ Software today and turn your MAC or Windows computer into a veritable Digital DJ console DEX 3 LE (Limited Edition) enables Beginner DJs. So Im new to having a controller and accidentally updated my Mac to Big Sur.