Questions & Answers for: Apple Air internal mute

internal speakers (MacBook Air) From one day to the next the sound has disappeared. I have checked the sound preferences and the mute box is ticked but I cannot un-tick it. Under the sound preferences

...internal Speakers are muted and when I go into System Preferences the mute button is check but it is grey, so it will not allow me to uncheck. In the sound folder it simply says "no output ...

microphone issues macbook air, cannot get it to work. shows it is there and not muted....but no sound is registering on meter or when i try it. hello , your problem, maybe simple, I would say for ...

...Internal Speakers check your output volume and make sure the Mute checkbox is unchecked. Plugin a pair of headphones. If you still have no sound. The sound board needs to be replaced, which is ...

...internal Speakers are muted and when I go into System Preferences the mute button is check but it is grey, so it will not allow me to uncheck. In the sound folder it simply says "no output ...