{"id":1360,"date":"2012-11-05T12:04:53","date_gmt":"2012-11-05T12:04:53","guid":{"rendered":"http:\/\/blog.designed79.co.uk\/?p=1360"},"modified":"2012-11-05T12:04:53","modified_gmt":"2012-11-05T12:04:53","slug":"how-to-disable-the-mac-boot-chime-completely","status":"publish","type":"post","link":"https:\/\/blog.designed79.co.uk\/?p=1360","title":{"rendered":"How to Disable the Mac Boot Chime Completely"},"content":{"rendered":"<h2><img loading=\"lazy\" decoding=\"async\" title=\"mute-boot-chime-mac\" src=\"http:\/\/cdn.osxdaily.com\/wp-content\/uploads\/2012\/11\/mute-boot-chime-mac.jpg\" alt=\"Disable the Mac boot chime\" width=\"263\" height=\"222\" \/><\/h2>\n<div>\n<p>If you\u2019re a Mac owner you know that every time the Mac reboots or starts up it makes a startup chime sound. Though you can\u00a0<a href=\"http:\/\/osxdaily.com\/2010\/01\/28\/how-to-stop-the-mac-startup-sound\/\">temporarily mute the chime<\/a>\u00a0by holding down the Mute key on any Mac keyboard, you can also choose to disable it completely by turning to the command line.<\/p>\n<p>Launch Terminal, found in \/Applications\/Utilities\/, then enter the following command to disable the boot chime:<\/p>\n<div class=\"codecolorer-container text default\" style=\"overflow:auto;white-space:nowrap;\"><div class=\"text codecolorer\">sudo nvram SystemAudioVolume=%00<\/div><\/div>\n<p>Enter the admin password when requested, which is required by usage of the sudo command. On your next reboot the Mac will be completely silent. Adjusting the parameter at the end of that command lets you change the total volume of that boot chime, but it appears to favor ascii characters. You\u2019ll find a variety of %00.<\/p>\n<p>To return to the default setting, you can remove the variable with the -d flag.<\/p>\n<div class=\"codecolorer-container text default\" style=\"overflow:auto;white-space:nowrap;\"><div class=\"text codecolorer\">sudo nvram -d SystemAudioVolume<\/div><\/div>\n<p>If you\u2019re not comfortable with making tweaks to OS X with the Terminal, you\u2019ll be better off using the one-off Mute key approach or using a simple tool\u00a0<a href=\"http:\/\/osxdaily.com\/2012\/01\/26\/mute-mac-boot-chime-startninja-os-x-lion\/\">like StartUp Ninja to silence the sound<\/a>. StartupNinja is basically just a GUI frontend to the nvram tool discussed here.<\/p>\n<p><em>Thanks to\u00a0<a href=\"http:\/\/osxdaily.com\/2010\/01\/28\/how-to-stop-the-mac-startup-sound\/#comment-446217\">AnserMan for the tip<\/a>\u00a0left in our comments, though they suggested using %00 rather than %80 as the parameter<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If you\u2019re a Mac owner you know that every time the Mac reboots or starts up it makes a startup chime sound. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1360","post","type-post","status-publish","format-standard","hentry","category-info-on-tech"],"_links":{"self":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1360"}],"version-history":[{"count":0,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1360\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}