The red light is the optical digital audio output. You can toggle it on and off. I cannot test exactly where to go to do this right now, but I'd imagine that you can do it in System > Preferences > Sound
I don't know that this will help with your overall problem though. -- Headphone jack doesn't work on MacBook 5,2 https://bugs.launchpad.net/bugs/559962 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
