Why has sound stopped outputting with VLC? Background: I tried recently to hook my Macbook Air to my TV using an HDMI cord and a converter. It worked completely using Netflix and iTunes but the audio did not work with ANY of the AVI files I tried using VLC, even when I connected the audio ports using a 3.5 mm audio jack cord. 

A few days later I tried to use VLC when not hooked up my TV but the sound has stopped working and I don't know why. The files are not corrupt, because they work fine on my MBP using VLC. I deleted my version of VLC, downloaded the latest version and deleted my preferences in case I had changed something vital without realizing it.

I have confirmed that my audio output is set correctly in my settings, but I don't have external speakers so I haven't tried that yet. Has anyone ever come across an issue like this before?

Edit: It resolved itself after a few days and I have no idea. I guess I will leave this open because someone might know what happened and the question might help someone else?
This has happened to me before. I discovered that if you start VLC before you plug the HDMI cable in, it won't play sound out the correct output. This works consistently for me:


Plug MacBook Air in via HDMI
Verify proper output is selected in System Preferences
Start VLC up


Hope it helps.