I just bought my studio 24c I have installed all its corresponding drivers. I have used all the correct settings for my mac and I cannot connect my audio interface. My mac does not recognize any interface, in fact the focus of the interface is not blue, only red. I have already used the audio and midi utilities and even then my mac doesn't want to register it. I no longer know what to do. The product is registered. all drivers are installed and nothing. it doesn't work for me.