Create Mac Os X Bootable Usb Installer From Dmg =link= Jun 2026

You don't need to type the whole path. Type sudo (with a space), then drag the createinstallmedia file from the .app (Right-click the app > Show Package Contents > Contents > Resources) into the Terminal window. Then type --volume and drag your USB drive (MyVolume) from the Finder sidebar into the Terminal.

If you need help troubleshooting a specific error code during conversion or want to know if your specific Mac hardware model is compatible with older OS X versions, let me know! Share public link

Linux users can utilize the low-level dd command line utility. This method requires converting the DMG into an ISO format first, or utilizing a raw sector copy if the DMG contains a GUID partition table. Open a terminal wrapper. create mac os x bootable usb installer from dmg

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Installer --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Use code with caution.

Select the USB installer icon from the available options and click . You don't need to type the whole path

(Adjust the app name to match your macOS version)

Hold the Option (Alt) key while powering on until you see the boot icons. If you need help troubleshooting a specific error

Plug your newly created bootable USB drive into a native USB port on the Mac.