Now, you can connect your USB to your broken Mac computer and install the new macOS. When it shows “Burning Completed”, means you’ve successfully created a macOS installer. Step 3. It will take about 10 minutes to finish the burning process, please wait it to be completed, and don’t disconnect your USB drive during the burning. To create a macOS bootable USB drive, you need to select ‘BURN’ option and browse your local DMG file, then connect your USB flash to your computer. First of all, you need to download and install UltraDMG on your Mac or windows computer, then launch it. It supports burning 5+ image file to USB flash drive or DVD/CD, including DMG, Bin, Img and Raw and support the latest macOS monterey and big sur. UltraMDG from SYSGeeker is an easy-to-use application helping you to create a bootable USB installer from macOS without clicks, no command required and risk free. Third Method – Create macOS Bootable USB Installer using SYSGeeker UltraDMG

Finishes: If you note that your file isn’t bootable then download chameleon bootloader or chimera one and install it (with all customizations you need ) to your USB media….

Clicks: For Source: Click on Image and select your DMG or ISO image For Destination : drag the USB media from the left to the textbox.

Selections: Click (on the left) your USB media you have just formatted then click Restore.

Clicks: Click on Erase -–> Format: Mac OS Journaled Name: whateveryouwant.

Selections: Select the USB you want to make bootable.

You now should have your Mac OS X bootable USB!.

Right Click on USB device -> Format with disk image and select your disk image.

File -> open -> select your dmg/iso file.

Finish!: Congratulations! Now you have a bootable USB media… please if it won’t work by selecting F12 at boot prompt, modify the BIOS to boot the USB before everything!.Start: Click on Start and wait until it finishes ( for 4.5 GB it takes about 3/5 minutes….).Device: Select your device to install it on.Bootabling : Click on Open and select your DMG or ISO file then click on tools->Create a bootable USB.Installing: Install PowerISO, it’s crack.Downloads: Click here to Download PowerISO with crack.There are many ways to Create Bootable USB mac osx installer, but I am going to explain only useful information here.

Create a macos bootable usb