OS X Mountain Lion Update Published 10 Aug 2012 Due to the new OS X 10.8 release from Apple (Mountain Lion), please note the following information concerning the compatibility of our Controllers. There are driver updates available for: You will find a new “Moutain Lion” update within the driver section. After updating the driver, your Controller will work as expected. Contour IE Jockey 3 ME Digital Jockey 2 ME PLUG 'n' PLAY Terminal Mix 2 Terminal Mix 4 Beatmix Digital Jockey 2 Controller Edition Digital Jockey 2 Interface Edition Countour Controller Edition Another note for users with the new MacBook PRO that only has USB 3.0 Ports: Some users that own the newest MacBook PRO (2012) with USB 3.0 Ports are reporting problems, that their USB-Controllers are not being recognized. This problem is a known problem with Apple's drivers and Apple is working on that problem. Until Apple solves this problem with an update there are two workarounds: Use an active USB 2.0 HUB to connect your device back