The sound can stop working on your MacBook at any time for a variety of reasons. Because it has so many possible causes, it's hard to pin down exactly when your MacBook can lose audio, but this ...

I installed Windows Media Player 9 on my 13" MacBook, and now I can't hear any audio through Safari or Explorer. The speakers work in iTunes, just not for the web. If there's a flash movie I can see, ...

Which model of MacBook do you have? Which OS are you running? Several years ago, I had this problem with an iMac (Mid-2007) after updating to Yosemite. Every reboot, and sometimes waking from sleep, ...