Create Mac Os X Bootable Usb Installer From Dmg

hdiutil convert /path/to/installer.dmg -format UDRW -o /path/to/installer.img

Either a Mac running macOS or a Windows PC. Method 1: On a Windows PC (Recommended for Dead Macs) create mac os x bootable usb installer from dmg

The syntax generally looks like this: sudo /Applications/Install\ macOS\ [Name].app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume hdiutil convert /path/to/installer

Creating a bootable macOS USB from a DMG file depends on whether you are working from a Windows PC or another Mac. Since DMG files are Apple’s native disk image format, Windows requires third-party software to handle them, while macOS uses built-in Terminal commands. create mac os x bootable usb installer from dmg

Hold the Power button until "Loading startup options" appears.