Macbook charging noise

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Level 1

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Macbook charging noise

I have a normal 2015 Macbook and i'm having a very annoying issue.

At night i always have earphones or airpods connected to my laptop, but when I need to charge the Macbook I plug in the USB-C in to charger and it makes the loud charging noise *out of my laptop speaker* which is very annoying because I usually work at night and have people asleep near me.

The noise ALWAYS comes out of the Macbook speaker when i plug in the charger and have headphones connected, but the volume level of the noise is completely random. One night it will be barely noticeable, whereas another night, like tonight, the noise is DEAFENING right here at 4am and is clearly max volume on the speaker, even though even my airpods are not set to max volume.

This is a nightly recurring problem and makes me try extra hard to note have the charger unplug incase i need to plug it in again and wake the neighbours downstairs.

MacBook, 10.13

Posted on Apr 30, 2019 7:41 PM

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Answer 1

Top-ranking reply

leroydouglas

Community+ 2025

Level 10

198,522 points

Apr 30, 2019 9:42 PM in response to tim1632

tim1632 wrote:

Thank you for your reply but i must have been unclear in my first post.

I'm talking about the 'DING' noise that the laptop makes when you plug in the charger.

<< charge the Macbook plug in the USB-C in to charger and it makes the loud charging noise >>

This is normal.

It is audio indication your charger has connected properly.

This replaces the charging light indicator on the older Macs /magsafe connector.

You can try from Applications/Utilities/Terminal.app killing the sound.

enter and return the command line from terminal copy and paste:

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

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Answer 2

Apr 30, 2019 8:49 PM in response to tim1632

If you do not have the 3 prong extension cord, get one for the magasafe charger. You slide the 2 prong duckhead off and — You will see the same connection as the

Power Adapter Extension Cable. Slide the Extension Cable into the Power

Adapter

Sound like a grounding issue.

https://www.apple.com/shop/product/MK122LL/A/power-adapter-extension-cable

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Answer 3

tim1632 Author

Level 1

11 points

Apr 30, 2019 11:22 PM in response to leroydouglas

defaults write com.apple.PowerChime ChimeOnNoHardware -bool true
killall PowerChime

Thanks for your help.

Your suggestion did not work but i looked around and the above has fixed the problem for me!

It's the same but change 'all' to 'no'

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Answer 4

tim1632 Author

Level 1

11 points

May 1, 2019 6:01 PM in response to BDAqua

defaults write com.apple.PowerChime ChimeOnNoHardware -bool true

killall PowerChime

This worked for me

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Answer 5

tim1632 Author

Level 1

11 points

Apr 30, 2019 9:23 PM in response to leroydouglas

Thank you for your reply but i must have been unclear in my first post.

I'm talking about the 'DING' noise that the laptop makes when you plug in the charger.

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Answer 6

BDAqua

Level 10

250,253 points

May 1, 2019 1:23 PM in response to tim1632

Hi, can you post the full command you used?

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Answer 7

BDAqua

Level 10

250,253 points

May 1, 2019 6:27 PM in response to tim1632

Thanks, I see now. :)

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Macbook charging noise

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