Jun 11, 2019 · Once your Mac has booted, try re-running the ‘diskutil list’ Terminal command, to see whether this has resolved the issue. Installing macOS via Internet Recovery. Even if you can’t repair your Mac’s recovery partition, don’t panic! As long as you have an active Internet connection, you can reinstall macOS via Internet Recovery instead.

The OS X Utilities window appears. Select Reinstall OS X, and click Continue. The OS X El Capitan splash screen appears. Click Continue. A sheet informing you that your computer’s eligibility needs to be verified by Apple appears. Jul 02, 2020 · Choose Mac OS Extended (Journaled) for any disk that you plan to use as a Time Machine backup disk or as a bootable installer. Will you be using the disk with another Mac? If the other Mac isn't using macOS High Sierra or later, choose Mac OS Extended (Journaled). Earlier versions of macOS don't work with APFS-formatted volumes. Sep 06, 2019 · Use a Mac OS X installation Disc. If you’re unable to use Internet Recovery Mode or create a bootable USB installer, you can still use a Mac OS X installation disc. These discs are available for OS X Snow Leopard, OS X Lion, and OS X Mountain Lion. If your Mac is from 2012 or earlier, there was an installation disc in the original box. If your Mac is really old - as in so old it's running Mac OS X Snow Leopard or older - it will not have a Recovery partition, the only way to reinstall the OS is to use the discs that shipped with Mar 29, 2019 · How to Reinstall OS X Lion. With the release of the OS X Lion operating system for Mac computers, Apple ceased traditional distribution of physical retail discs and instead offered the OS as a download via the Mac App Store.

Remote Install Mac OS X was released as part of Mac OS X 10.5.2 on February 12, 2008. Starting with the March 2009 version, the Mac Mini also supports Remote Install, allowing the DVD drive to be replaced with a second hard drive. With the launch of Mac OS X Lion, Apple has omitted Remote Install. A workaround is to enable Target Disk Mode.

The OS X Utilities window appears. Select Reinstall OS X, and click Continue. The OS X El Capitan splash screen appears. Click Continue. A sheet informing you that your computer’s eligibility needs to be verified by Apple appears. Jul 02, 2020 · Choose Mac OS Extended (Journaled) for any disk that you plan to use as a Time Machine backup disk or as a bootable installer. Will you be using the disk with another Mac? If the other Mac isn't using macOS High Sierra or later, choose Mac OS Extended (Journaled). Earlier versions of macOS don't work with APFS-formatted volumes. Sep 06, 2019 · Use a Mac OS X installation Disc. If you’re unable to use Internet Recovery Mode or create a bootable USB installer, you can still use a Mac OS X installation disc. These discs are available for OS X Snow Leopard, OS X Lion, and OS X Mountain Lion. If your Mac is from 2012 or earlier, there was an installation disc in the original box.

Method 1: Using Internet Recovery to Reinstall OS X. Turn off your Mac. Hold Command + Option + R and click Power button. Keep holding the keys you see a spinning globe and a message “Stating Internet Recovery. Then, this message will be replaced with the progress bar, wait until the progress bar fills or completes.

The OS X Utilities window appears. Select Reinstall OS X, and click Continue. The OS X El Capitan splash screen appears. Click Continue. A sheet informing you that your computer’s eligibility needs to be verified by Apple appears. Jul 02, 2020 · Choose Mac OS Extended (Journaled) for any disk that you plan to use as a Time Machine backup disk or as a bootable installer. Will you be using the disk with another Mac? If the other Mac isn't using macOS High Sierra or later, choose Mac OS Extended (Journaled). Earlier versions of macOS don't work with APFS-formatted volumes. Sep 06, 2019 · Use a Mac OS X installation Disc. If you’re unable to use Internet Recovery Mode or create a bootable USB installer, you can still use a Mac OS X installation disc. These discs are available for OS X Snow Leopard, OS X Lion, and OS X Mountain Lion. If your Mac is from 2012 or earlier, there was an installation disc in the original box.