Mac OS X - How to Re-Configure Your MIDI Studio

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The Mac OS X Audio/MIDI Setup utility is responsible for all Audio and MIDI data coming to and from your Mac, which makes it a valuable troubleshooting tool. The MIDI Setup in particular can come in handy if you begin to experience limited or no response from your MIDI device or if the device is not recognized at all. This guide will demonstrate how to create a new configuration to refresh and clean up your MIDI Setup. 


A new configuration for the MIDI Setup may help if:

  • You have just updated your OS and your MIDI device is no longer recognized
  • Software cannot find your MIDI device
  • MIDI device is recognized by the software but has limited or no response
  • MIDI device was connected or disconnected repeatedly
  • MIDI device configuration has changed, i.e. USB keyboard is no longer a part of the setup and a new keyboard has been connected


Before getting started, disconnect all USB or Firewire MIDI devices or keyboards. This will eliminate any potential conflicts upon creating a new configuration.

  1. Open the Audio/MIDI Setup by going to Applications > Utilities > Audio/MIDI Setup.

  2. If the MIDI Studio window does not appear automatically, go to the menu bar at the top of the screen and select Window > Show MIDI Window.

  3. The MIDI Studio window will pop and display all of your current MIDI devices.

    MIDIStudio Config1

    You may see icons for all of your MIDI devices that have been "greyed out." This just means that the devices are not currently connected. If a device is not connected to the computer but still appears connected in your MIDI Studio, that may be a part of the problem and a sign that the MIDI Studio needs to be reset.

    Please Note: The IAC Driver and Network will always appear in the MIDI Studio.

  4. To create a new configuration, click on the Configuration drop-down menu and select New Configuration...

    MIDIStudio Config2

  5. Name the new configuration in the window that appears.

    MIDIstudio config3

  6. Click OK and the MIDI Studio will rescan your devices. If nothing is connected, only the IAC Driver and Network should appear again.

  7. Starting with the device in question, re-connect each device one by one. Wait for the device to show up in the MIDI Studio before connecting the next one. Hint: you can also use the Rescan MIDI button at the top if a device is still not showing up while connected.

    MIDIStudio config4

  8. And that's it! Test your keyboard or MIDI device in your DAW again and refer back to our USB Troubleshooting Guide for more troubleshooting tips.


Further Technical Support

It's impossible to cover all of the possibilities of USB troubleshooting in a single guide but this should act as jumping off point. The suggestions above should at least help you quickly determine that a product is functional, and to help you overcome common setup obstacles such as poor USB communication or out-of-date drivers. If you require further assistance with product setup or have determined that the product is NOT functioning correctly, contact the Technical Support team or refer to some of the related articles below:

Technical Support:

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