Important: If the key combinations mentioned in this post don’t work, make sure to start up your Mac from a macOS volume.
macOS Startup Volume: X will start up your Mac from a macOS startup volume when it’d otherwise boot from a non-macOS volume, like a Windows partition. Eject removable media: Media Eject (⏏), F12, mouse button or trackpad button. Boot from NetBoot server using the default image: Option + N. Apple Hardware Test over the Internet: Option + D. Internet Recovery Mode: Command + Option + R or Command + Option + Shift + R. 
macOS Built-in Recovery Mode: Command + R. Press the keys immediately after hearing the startup sound unless otherwise specified. To boot your Intel-based Mac into any of the macOS built-in startup modes, you must press and hold one or more keys detailed below after turning on the computer. Or perhaps you’re looking to isolate the cause of a software issue in the macOS Safe Mode or boot straight into Recovery OS as the last option? Mac startup key combinations Others might wonder about booting a Mac from a disk other than their designated startup disk. Beyond system errors, different people have different needs when it comes to starting up their computers.įor example, you could be a pro user who dual boots between macOS and Windows on a daily basis. Most of the time, your Mac just works-until it refuses to start up properly due to an unforeseen system error, a misbehaving app, a broken system component, and whatnot. 
For those of you who have wondered about the many ways you can start up your Mac, here’s a list of the Mac startup keyboard shortcuts you can invoke to access handy macOS features, which are only available at boot time.
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