Macbook Pro OS 10.10.5, No sound

I installed on Macbook Pro OS 10.10.5 everything seems to be a go, but there is no sound. Checked my levels. Is there a plug in or driver I’m missing? Works fine on my Android, so I may be incompetent, but not grossly incompetent.

Grossly incompetent it is! Problem magically healed itself. (shrug)

Haha! Awesome, we love it when the goblins solve themselves. Always blame the goblins :smile: