How to start up your Mac in Internet Recovery Mode
Posted by jpluimers on 2019/09/13
When all else fails: [WayBack] How to start up your Mac in Internet Recovery Mode.
Command-Option-R is one of the plethora of keyboard tricks you can use during boot:
Some Mac features are available by holding down certain keys during startup.
[WayBack] Startup key combinations for Mac – Apple Support
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.
Note they fail to mention the keyboard combination you can use SMC reset (despite including NVRAM reset):
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.
Since we are now talking keyboard shortcuts, there are way more after you’ve successfully booted and logged in:
By pressing a combination of keys, you can do things that normally need a mouse, trackpad, or other input device.
–jeroen
via: [WayBack] macos – Verbose mode startup – Ask Different
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