Hi. There's a good chance this problem has nothing to do with Ableton but I figure someone will have a good idea as to what's going on here.
I'm on Live 8.4.2, installed on a late 2012 13" MacBook Pro running on Mavericks. I use an M-Audio Fast Track Pro as my interface, which has been working fine for me overall for years.
After a begrudgingly long gap from home recording, I set up the other day to find that I couldn't get audio to reach Live 8. The interface is giving a signal light when I record, so the sound is getting there, but the sound isn't getting to Live 8. Live still recognizes the interface, and I can still set it as the input, but it won't receive any sound from it. I've tried different USB cables between the interface and the MacBook, as well as plugging it into both USB ports. I've tried the inbuilt microphone in Live and it's receiving sound.
Is this looking like a problem with the interface itself? Both ports seem to be otherwise working fine, but can USB cards malfunction in this way? Or perhaps Live is having a problem with the Interface for some reason.
Can anybody give their opinion on this before I go buy another interface?
Thanks in advance.