The discovery of a easy Terminal command that brings again the basic startup chime on newer Macs has gone viral in current days. Apple disabled the startup sound on new Macs in 2016, and whereas a couple of tricks have worked in the past to get the chime again, updates to macOS seem to have stopped them working.

How to Enable the Classic Startup Chime on Newer Macs
However, the newest trick – first shared within the MacRumors Forums by BigMcGuire – seems to have a excessive success fee, though relying in your Mac mannequin, your mileage might differ.

If you yearn for that basic Mac sound, observe these steps to re-instate it.

  1. Launch the Terminal app, which could be discovered within the Applications/Utilities folder. This will open a Terminal window and a command immediate so that you can start typing.
  2. Input the next command after which press Return: sudo nvram StartupMute=%00
  3. Enter your admin consumer password when prompted.
  4. Close Terminal, then restart your Mac.

Make positive the amount is up, and with somewhat little bit of luck, you may hear that soothing F-sharp chord sound the following time your Mac boots up.

If you need to do away with the chime after re-activating it, merely repeat the steps above however change the Terminal command in step 2 with the next: sudo nvram StartupMute=%01.

The iconic chiming startup sound was initially made to point that diagnostic assessments had discovered no {hardware} or software program points. An analogous sound accompanied virtually each Mac boot sequence since 1991 and the latest F-sharp chord incarnation was first used within the iMac G3.

Originally, a C main chord was recorded by Apple engineer Jim Reekes utilizing a Korg keyboard, however what most customers will hear nowadays is a pitch-shifted model of the sound made by the Macintosh Quadra household {of professional} computer systems, first launched in 1991.


The Mac startup sound was immortalized within the 2008 Disney-Pixar film WALL*E. When the titular robotic character has reached 100 % energy after positioning his photo voltaic array, the booting chime goes off.