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How to bring back the iconic Mac startup chime

Mac startup chime

The enduring Mac startup chime performed whenever you energy up your pc had been round since 1998, however Apple disabled it in 2016 starting with that 12 months’s MacBook Professional refresh. Due to a newly found Terminal command, you may re-enable the Mac startup chord sound on macOS Catalina and earlier, and our step-by-step tutorial reveals you ways.

Bringing again the long-lasting Mac startup chime

The late-2016 MacBook Professional fashions outfitted with a Contact Bar marked the primary Apple pc programs in years to reach with out the long-lasting startup tone, the most definitely reasoning being (per typical knowledge) that the machine mechanically begins up when opened so it doesn’t actually need audio suggestions when the consumer presses the facility button.

Mac startup chord

The late-2016 MacBook Professional shipped with the startup chime disabled.

A Terminal command to reinstate the startup chime on the TouchBar-enabled MacBook Professional fashions was found shortly following the pocket book’s launch. Sadly, the easy command stopped working in later macOS updates for causes unknown.

Fortunately, a brand new Terminal command was found a number of days in the past by a South Carolina scholar and developer, serving to carry again the long-lasting startup chord. Better of all, this new methodology seems to work on most (however not all) Mac fashions and macOS variations.


Observe together with our fast step-by-step tutorial included proper forward to study how one can re-enable the Mac startup chime in your pc, in addition to disable it at will.

Methods to allow the Mac startup chime

You may re-enable the Mac startup chime in your pc with a Terminal command that edits an NVRAM worth  which determines whether or not the pc ought to play startup sounds.

1) Launch the Terminal app in your pc from the Functions/Utilities folder or use Highlight to rapidly discover and launch the app.

2) Enter the next Terminal command to re-enable the Mac startup chime, then hit Return.

sudo nvram StartupMute=%00

Enter your password if required.

To disable the Mac startup chime, execute this command within the Terminal window:

command sudo nvram StartupMute=%01

The Mac startup chime has been an iconic signature of Apple computer systems over time — it’s even a registered trademark in the US — and now you may re-enable it.

TUTORIAL: Methods to reset NVRAM in your Mac

To be completely sincere, we’re uncertain precisely why Apple has disabled the chime so right here’s hoping that the brand new Terminal command will stick round longer than the earlier one.

A quick historical past of the Mac startup chime

The Mac startup chime performs earlier than macOS begins booting to point to the consumer that the machine has efficiently handed {hardware} diagnostic exams run instantly at startup.

TUTORIAL: The completely different macOS startup tones and the issues they point out

The particular chord performed varies from one Mac mannequin to a different, however they’re all just like the primary square-wave beep tone used on the primary three Macintosh fashions.

Jim Reekes, who did the startup chime used for the Quadra 700 by way of the Quadra 800:

The startup sound was performed in my residence studio on a Korg Wavestation EX. It’s a C main chord, performed with each fingers stretched out as large as potential (with third on the prime, if I recall).

Later iterations of the startup chime included a “bong” chord, an F main chord that produces a “ding” sound and several other different variations that have been utilized in completely different intervals.

Mac startup tone

The MacBook Professional now mechanically powers on or wakes from sleep whenever you open the lid.

The Mac startup chime that we’ve come to know and love right this moment is an enhanced model of the startup tone that first appeared within the iMac G3 mannequin launched in 1998. That one was produced by pitch-shifting the startup sound of the Macintosh Quadra 840AV mannequin.

Apple notes in a help doc which Mac computer systems help the startup tone:

Mac fashions from early 2016 and earlier make a chime sound after they begin up. Mac fashions from late 2016 and newer don’t have a startup chime, excluding MacBook Air (13-inch, 2017).

TUTORIAL: All of the methods you can begin up your Mac

The help doc makes no point out of the above Terminal command. In different phrases, the command seems to be an undocumented characteristic in any case, which means it may simply be faraway from future macOS updates (clearly one thing you’d need to bear in mind).

Need assistance? Ask iDB!

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Acquired caught? Undecided the right way to do sure issues in your Apple system? Tell us through [email protected] and a future tutorial would possibly present an answer.

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About Christian Zibreg

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