Loose cableĬables degrade over time - that’s just a face. There could be quite a few reasons why you’re running into problems with the power chime.

Troubleshooting the charging sound on MacBook There are a variety of things that could be causing problems with the power chime on your Mac or MacBook device. More specifically, we’ll walk you through how to fix any problems with a power chime that keeps going off intermittently or at random. (It’s also exactly the same as the charging chime in iPhones post-iOS 7.) While the sound could just as easily be called a charging chime, it’s explicitly referred to as a power chime within macOS. Apple presumably added this in because the USB-C cables don’t have a charging indicator. When you plug a charging cable into a MacBook Pro or MacBook Air, it’ll make an iPhone-like sound to indicate that charging has started. The startup chime has been removed from virtually all newer Mac devices. To be clear, we are talking about the power chime on newer Mac devices - not the startup chime. Disabling the charging sound using macOS Terminal.Troubleshooting the charging sound on MacBook.

Macbook pro 3 beeps repeating