Creating a bootable macOS USB installer from a DMG file is a common task for clean installs or system recovery. Depending on whether you are currently using a Mac or a Windows PC, the process varies significantly. Method 1: Using Terminal (Best for Mac Users)
Flush and eject:
Disk Utility on your Mac. You can find it by using Spotlight (Cmd + Space and type "Disk Utility").Notes and common issues:
Be careful when using the dd command, as it will overwrite all data on the USB drive. create mac os x bootable usb installer from dmg
to confirm erasing the drive, and wait for the "Install media now available" message. Apple Support Community Method 2: On Windows (Using TransMac) Creating a bootable macOS USB installer from a
/Applications/Utilities/Terminal.app).diskutil list
15.6 GB). It will likely be named disk2 or disk3 (not disk0 or disk1—those are your internal drives)./dev/disk2 (for example).This website uses cookies in order to improve your web experience. Read our Cookies Policy