Q: When I launch Pro Tools 9 on my Macbook Pro with no audio interface attached, it tells me that it can’t configure the audio device and the software won’t run. What am I doing wrong, it should work using CoreAudio, right?
A: Yes, Pro Tools 9 should run on a compatible Macbook Pro with no audio interface attached. What’s happening is that the software doesn’t know which driver to look at to access the Mac’s built-in audio hardware. Here’s how to fix it: (We’ll assume that you have double-checked that your Mac and OS are compatible, Pro Tools is properly installed, etc.)
1. Open Audio MIDI Setup, which is usually located in the Utilities folder, which is in the Applications folder.
2. Open the the Audio Devices window (under the Windows menu).
3. Select Pro Tools Aggregate I/O from the choices in the left pane of the window.
4. In the right pane of the window, check the “Use” boxes for Built-in Input and Built-in Output.
5. Close Audio MIDI Setup and launch Pro Tools. It should now operate as expected, using the Mac’s built-in audio hardware for I/O.