CreateinstallmediaĬreateinstallmedia is a command line utility used to create a bootable macOS installer on an external drive or USB flash drive. After that, you can reinstall macOS on your Mac or install macOS to an external drive. This section recommends three best USB bootable software for creating macOS bootable drive. Best USB Bootable Software for Mac to Create macOS Installation Disk

For example, some USB drives have firmware that prevents them from being used as bootable media. Lastly, some USB drives may have specific hardware features or configurations that may prevent them from being made bootable. If the drive is damaged or has bad sectors, it may not work correctly, and the bootable media may fail to load or install. Secondly, the USB drive should be in good working condition and have enough free space to create a bootable partition. Some operating systems require a minimum size of the USB drive to create a bootable media. However, there are some factors to consider that may affect the ability of a USB drive to be made bootable.įirstly, the capacity of the USB drive should be sufficient to accommodate the operating system or software you want to install or run. In general, most USB flash drives can be made bootable. Once the USB drive is bootable, it can be used to install the operating system or software on a computer, or to run the operating system or software directly from the USB drive without installing it on the computer’s hard drive.

They are a convenient and versatile tool for anyone who needs to work with multiple computers or wants to have a portable operating system or software environment.Ĭreating a bootable USB involves copying the necessary files from an ISO image of an operating system or software onto a USB flash drive and making it bootable by installing the necessary bootloader and system files. How to Check If the USB is Bootable or Not?īootable USB drives are commonly used for various purposes, such as installing or repairing an operating system, running a live version of an operating system, running diagnostic tools, or creating a portable workspace.Best USB Bootable Software for Mac to Create Linux Installation Disk.

Best USB Bootable Software for Mac to Create Windows Installation Disk.Best USB Bootable Software for Mac to Create macOS Installation Disk.

How to create macos usb installer