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Confirmation is a strange beast in the computing world. Sometimes you perform an action and wonder if what you did had any effect. Other times, a window will pop up alerting you to some obvious fact that you didn’t need to be reminded about.

Charging your device Why Can't I Charge All Gadgets With the Same Charger? Why Can't I Charge All Gadgets With the Same Charger? Not all devices can be charged with the same charger. In fact, not all phones can share a charger either -- even if they're from the same manufacturer. But why? Read More is one activity where a confirmation is appreciated, however. Everyone at least once has thought they were plugging in their phone at night, only to wake up and discover that it didn’t charge.

This is why the new MacBooks include a chirp when their USB-C charging cable Should the New MacBook's Single Port Scare You Away? Should the New MacBook's Single Port Scare You Away? Apple recently revealed the new MacBook, and it's a jaw-dropper — but it also has only a single port. Was this a blunder, or a sign of the future? Read More is connected. For those whose charger requires some acrobatics to connect just right, this tone can lets you know for sure that you’ve got it hooked up properly. If you’d like to enable this sound on your own Mac, you can follow these quick steps to do so.

You’ll need to open a Terminal window by pressing Command + Space to open Spotlight, then typing Terminal. Next, paste in the following command to enable the chime:

defaults write com.apple.PowerChime ChimeOnAllHardware -bool true; open /System/Library/CoreServices/PowerChime.app &

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If you turn on the sound and decide you don’t like it, it’s easy to disable. Head back to the Terminal and use this command to reverse it:

defaults write com.apple.PowerChime ChimeOnAllHardware -bool false;killall PowerChime

Using this, you’ll have audio confirmation, plus the light on the charger, to confirm that everything is connected. That should suffice for any device!

Now that you always know when it’s charging, it’s worth taking the time to maintain your MacBook’s battery Calibrate & Maintain Your MacBook Battery For Best Performance Calibrate & Maintain Your MacBook Battery For Best Performance If you correctly calibrate and maintain your MacBook battery, it's possible to improve performance and put off replacing it for as long as possible. Read More .

Do you appreciate this chime? Let us know if you’ve ever accidentally forgotten to charge your computer properly in the comments!

Image Credit: 2p2play via Shutterstock

  1. FezVrasta
    October 10, 2016 at 11:52 am

    What's the problem with checking the green/orange light on the charger itself?

    • Raphael Salgado
      October 10, 2016 at 6:10 pm

      My 12" MacBook has no such LED indicator on the cable or the adapter. This helps out just nicely!

      • Ben Stegner
        October 31, 2016 at 4:17 pm

        This is one use case I had in mind for this. Glad it helps you, Raphael!

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