Mute the Mac Boot Chime with StartNinja for OS X Lion

Jan 26, 2012 - 23 Comments

StartNinja for OS X Lion mutes the boot chime on Macs

Macs have always had the classic boot chime that announces the system has begun startup or has rebooted, but if you’re in a quiet place you don’t always want that sound to play. You may know that you can temporarily mute the Mac by holding down the Mute key during boot or reboot, but if you are looking for a more permanent solution, check out StartNinja. A free and simple utility that gives users the ability to disable the startup chime, StartNinja will keep the Macs boot sound quiet while allowing the Mac to retain normal sound function otherwise.

For those running Mac OS X 10.6.8 or prior, holding mute works on a per boot basis, or there is a system preference panel that gives the same ability to disable the boot sound.

Thanks to vijay for the tip in our comments

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Posted by: Paul Horowitz in Mac OS X, Tips & Tricks

23 Comments

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  1. Kenov says:

    Alternatively, you can mute your computer and after the restart/ new start you will not hear the chime.

  2. uuwalnut says:

    Is there a command line instruction that can do the same thing?

    Awesome site.

  3. icebreaker says:

    Start ‘ninja’…good one :)

  4. haroon says:

    There is also “auto mute” auto-mute.com.

  5. Les says:

    StartNinja is awesome! And it works!

  6. Justin says:

    Is there a way to change the boot chime to something else?

  7. Pippox0 says:

    I don’t think , because chime is inside efi bios …

  8. Andrew says:

    Nice utility, but not planning to use it..I love the boot chime!

  9. Tim says:

    I haven’t tried StartNinja, as I use Snow Leopard. However, “Psst” has been the most reliable program I’ve found, and it works in Snow Leopard or Lion:

    http://www.macupdate.com/app/mac/16780/psst

  10. Jan says:

    I’m so terribly happy I’m still on Snow Leopard. StartNinja looks awful, just look at it. Since Apple made iCal and Address Book look ridiculous people seem to think they can do to the user interface whatever they like to do—as if they are on MS Windows.
    Snow Leopard StartUp Sound’s aesthetics are much better, although not perfect either because of the way the credit line is crammed in.

  11. Terry says:

    Startup Sound preference pane sets a volume that applies only to the startup chime:

    http://www.macupdate.com/app/mac/16425/startupsound.prefpane

    I use it with Lion 10.7.2 and Snow Leopard 10.6.8

    • John says:

      Make sure you download the beta, not the “latest stable release.” The “stable” release installs, but won’t work on an Intel-based Mac. Neither will the uninstaller.

  12. Albert says:

    Did not work on my iMac.

  13. statman says:

    it did not work on my Mac Pro

  14. Alex says:

    Why would you want to do this? The whole point of it is to tell you if your mac is working correctly.

    • Ted says:

      some people travel Alex, and some people run studios. you can always if it passes boot procedure by the Apple logo and spinning wheel.

  15. Ron says:

    You really do need to turn it of when working in a library, or trying to take notes in a lecture, or just trying not to wake someone up.

  16. […] home – for OS X 10.6.8 StartNinja – for OS X 10.7 Lion and later stLight.options({ […]

  17. mike says:

    Installed Startninja on my Mac 10.7.4 and it doesn’t always work :( once in a while the chime would still go off again and wake up the whole neighborhood. Very annoying…

  18. […] the Terminal, you’ll be better off using the one-off Mute key approach or using a simple tool like StartUp Ninja to silence the sound. StartupNinja is basically just a GUI frontend to the nvram tool discussed […]

  19. Honzik says:

    Both utilities (StartNinja and post) work on my iMac with OS X 10.8.2 (Mountain Lion). But only if I have not plugged in the headphones. If I have headphones plugged in, the iMac plays “ta-dam!” on boot. And it plays it from internal speakers!

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