

Just be aware that Internet Recovery only works with networks that use WEP and WPA security, which can be an issue if you’re using a proxy network or PPPoE. If you don’t have a Recovery partition, then you can always install macOS via its Internet Recovery feature.


If resetting the PRAM doesn’t work, then there’s several ways that you can reinstall a fresh copy of macOS, without a Recovery partition. Once your Mac has booted, try re-running the ‘diskutil list’ Terminal command, to see whether this has resolved your issue. To reset the PRAM, restart your Mac while holding down the ‘Command+Option+P+R’ keys until you hear macOS’ distinctive startup chimes for a second time. If your Mac is missing a Recovery partition, then you may be able to restore it, by resetting your PRAM. If this list doesn’t contain either Apple_Boot Recovery HD or APFS Volume Recovery, then it means your Mac doesn’t have a recovery partition. The Terminal will now display a list of all your drives and partitions. Press the “Enter” key on your keyboard.How To Properly Factory Reset a Mac & Reinstall Mac OS
