10/26/21

How to install macOS from a USB

# Preparation

## Get list all the mounted devices available in your system

diskutil list

## Use the following syntax to format the drive:

diskutil erasedisk FILE_SYSTEM DISK_NAME DISK_IDENTIFIER


The file system option depends on your preference. 
The syntax is:.
  • macOS Extended Journaled(JHFS+) - JHFS+
  • macOS Extended (HFS+) - HFS+
  • MS-DOS FAT - FAT32
  • ExFAT - ExFAT

# Download macOS

# Copy on USB
## Run in terminal

Big Sur
sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Catalina
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Mojave
sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

High Sierra
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

El Capitan
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app


# Restart
To install from USB you need to restart your laptop and hold the "Option" key.


No comments:

Post a Comment