Your Mac and OS X have a variety of startup keys and key combinations you can use to affect how the device starts up. Shift key, for instance, starts your Mac in Safe mode, and C (or c) starts up from a bootable CD, DVD, or thumb drive. Command-S is for 'single-user mode,' which essentially means booting to the command line.
The Apple Key, or the Command Key
Jun 08, 2020 Mac startup key combinations Learn about the Mac features and tools that you can access by holding down one or more keys during startup. Support.apple.com Reinstall Mac OS. The latest supported os on a mac pro 2008 is Mac OS 10.11 El Capitan, Here is a download link (From apple). Jun 01, 2020 To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple. High Sierra, Sierra, El Capitan, or Yosemite. Or create a bootable installer disk, then use that disk to install macOS on your Mac or another Mac. Published Date: June. Sean Colins takes a look at Mac's latest operating system—El Capitan—focusing on the key topics IT administrators need to know to perform their job. Sean dives into assessing and planning the.
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I was personally familiar with these and several others, but it turns out there are 15 total combinations, thanks to a KnowledgeBase article Apple posted. I'm betting many of you don't know them all, either, so here they are.
The links below point to other support documents on Apple's website.
| 15 Startup Key Combinations for Mac | |
|---|---|
| Hold during startup | Description |
| Shift ⇧ | Start up in Safe Mode. |
| Option ⌥ | Start up to Startup Manager. |
| C | Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media). |
| D | Start up to either Apple Hardware Test or Apple Diagnostics, depending on which Mac you're using. |
| Option-D | Start up to either Apple Hardware Test or Apple Diagnostics over the Internet. |
| N | Start up from a compatible NetBoot server. |
| Option-N | Start up from a NetBoot server using the default boot image. |
| Command (⌘)-R | Start up from OS X Recovery. |
| Command-Option-R | Start up from OS X Recovery over the Internet. |
| Command-Option-P-R | Reset NVRAM. Release the keys after you hear the startup sound again. |
| Command-S | Start up in single-user mode. |
| T | Start up in target disk mode. |
| X | Start up from an OS X startup volume when the Mac would otherwise start up from a non-OS X startup volume. |
| Command-V | Start up in verbose mode. |
| Eject (⏏), F12, mouse button, or trackpad button | Eject removable media, such as an optical disc. |
Office For Mac El Capitan
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