Enter your admin password when prompted (characters won't show).
hdiutil convert /path/to/input.dmg -format UDTO -o /path/to/output.iso
sudo /Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled
This is the modern solution. Tools like (free/open source) or UUByte DMG Editor (paid/trial) handle the heavy lifting. create mac os x bootable usb installer from dmg
Copy and paste the specific command matching your Mac OS X version. Ensure your USB drive is named Untitled .
Locate your USB drive in the left panel of TransMac, right-click it, and select . Confirm the warnings.
The most reliable way to create a bootable installer is using the Apple-provided createinstallmedia command in the Terminal. Open (found in /Applications/Utilities/ ). Enter your admin password when prompted (characters won't
: Make sure the partition scheme was set to GUID Partition Map during formatting. Macs cannot boot from drives using the Windows MBR partition layout.
Plug the bootable USB installer drive into an available USB port.
sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Mavericks.app Use code with caution. Copy and paste the specific command matching your
before starting:
Even with clear steps, you might encounter issues. Here’s how to solve the most common ones:
Select the root USB drive from the left sidebar (click if needed). Click Erase at the top. Set the parameters exactly as follows: Name : Untitled Format : Mac OS Extended (Journaled) Scheme : GUID Partition Map Click Erase to format the drive. Step 3: Execute the Terminal Command Open Terminal (Finder > Applications > Utilities).