When you see the grey Apple logo and progress indicator on the screen, you can release the Shift key. After your Mac computer starts (on some devices, you can even hear a startup sound), you need to immediately press and hold the Shift key.If you have opened your Mac, you need to shut it down by clicking the Apple menu and then selecting Shut Down.If you are running macOS Catalina 10.15, you can follow this tutorial to start up your Mac in Safe Mode: Press and hold the Shift key on the keyboard.You can release the button when you see the startup options window, showing some available startup disks and Options. Press & hold the Power button on your Mac computer.How to Start up a Mac with Apple Silicon in Safe Mode? If prompt, you need to type your password to boot your Mac computer into Safe Mode.On the screen, you can see Safe Boot (red font) on the top-right side. When you see the login window, you can release the Shift key.Press the Power button to restart your Mac and immediately press & hold the Shift key on the keyboard.If your Mac computer is still running, you need to click the Apple menu (at the top-left corner on the screen) and then select Shut Down.How to Start up an Intel-based Mac in Safe Mode? No matter you want to boot into MacBook Pro Safe Mode, or MacBook Air Safe Mode, or iMac Safe Mode, you can just select a suitable tutorial based on the macOS you are running and the processor you are using. We will introduce all of these methods in this post. On the other hand, for an Intel-based Mac and a Mac with Apple silicon, the methods are also different. For different macOS, the ways to enter Mac Safe Mode are different. Perhaps, you don’t know how to boot up your Mac in Safe Mode. So, Mac Safe Mode is particularly useful when you want to solve and isolate some issues that don’t seem to be associated with using any particular app on your Mac computer, like iMac won’t boot past the Apple logo, your computer was restarted because of a problem, Mac won’t boot into Recovery Mode, and more. Don’t worry, these caches can be automatically created again when necessary. Besides, it can delete some system caches like font caches and the kernel cache. Besides, it can also check your startup disk to find and fix errors like running First Aid in Disk Utility.ĭue to these features, it can help you find whether it is a software issue or a system problem that happens to your Mac. It can boot your Mac computer without starting some software like startup programs, system extensions not required by macOS, and fonts that are not installed by macOS. It is available on all Mac computers like MacBook Pro, MacBook Air, iMac, etc. When the computer reboots a the second time, release the keys.Mac Safe Mode is a Mac snap-in mode. Press the power button, and continue holding the keys.Ĥ. Hold down the Command, Option, P and R keys.ģ. The second fix that you can try is resetting the PRAM on your Mac. On some models of Mac, if you boot your Mac with the volume muted, the chime will not sound. The first thing is to ensure that the volume on your Mac's volume is not muted when you shut the machine down. Rm /.nobootsound_logoutvol How to restore the startup soundīut what if your startup chime has deactivated on its own, completely unintentionally? There are a few things that you can try. If you ever decide you want to restore the sound, uninstall the script by typing the following into Terminal, pressing Return after each line (and entering your password as needed): Use this Terminal command to install a script that will mute the startup sound. Unzip the folder (if your Mac doesn't do so automatically) and put it on your desktop. You can acquire it by going to and pressing the Download ZIP button. To mute the startup sound when running OS X El Capitan, you'll first need to download a special script file. However, there's an easy way to deactivate it using a downloadable script file and some short Terminal commands. Sometimes you want to turn on your Mac in an otherwise-quiet room, and unfortunately, there's no built-in way to turn off the sound. We'll answer the second part of the question first: how to make the sound go away. How do I get it back? And if I want it gone again, how do I make that happen on purpose? Answer I didn't do anything to my audio settings, and the tune always played from day one when I first powered on my MacBook. The ever-familiar tune that plays when I power up my MacBook Air no longer plays, and frankly, I miss hearing it.
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