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HOW TO CREATE A BOOTABLE USB INSTALLER DISK FOR MACOS BIG SUR
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HOW TO CREATE A BOOTABLE USB INSTALLER DISK FOR MACOS BIG SUR

What’s needed to create a bootable install disk

  • A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14GB of available storage
  • A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Download macOS from Apple

  • macOS computer (supported by Big Sur)
  • Install macOS Big Sur.app (downloaded from Mac App Store or Developer's Portal)
  • External USB Drive or Internal Drive formatted with GUID partitioning scheme (with minimum 16GB storage space available)
sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/DRIVENAME --nointeraction --downloadassets 


Article creator: Shyam Sharma
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Article ID:
26
Category:
Mac & Osirix Troubleshooting
Date added:
25/05/2021 19:48:48
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