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#How to make a flash drive bootable mac how to
#How to make a flash drive bootable mac install
#How to make a flash drive bootable mac update
#How to make a flash drive bootable mac mac

Step 2: Launch Finder from Dock and open Disk Utility from the Applications section.

#How to make a flash drive bootable mac mac

Step 1: Connect the USB thumb drive or any external volume to your Mac system. So, make sure you have nothing stored on the USB. It is to be noted that the createinstallmedia command erases everything on your external USB drive.Insert the relevant command in the Terminal with utmost caution.Post Maverick, creating a bootable USB installer for macOS requires a single command (which we have given below for each macOS separately).Note: The process described below applies to the macOS Maverick and later versions only.īefore you move ahead, here are a few facts that you must know: Follow the steps below to create a bootable USB of any of the macOS mentioned above. You can use the ' createinstallmedia' command to create bootable USB for Mac.

#How to make a flash drive bootable mac update

System Preference > Software Update > Download macOS Big Sur. Note: If you have macOS Catalina, then follow the steps below to download Big Sur installer:

#How to make a flash drive bootable mac install

The above procedure will download the installer file in your Applications folder as an app named Install macOS Big Sur/ Catalina/ Mojave/ High Sierra. If the installer opens after download, close the prompt without continuing the installation.

The installer file will start to download.

In the App Store, you will find the macOS Installer, click on Get button on the top right corner.

You can use the App Store to download the installer file. A prompt appears asking you to use the App Store instead of the website.

It will redirect you to the Apple website.

Click on the macOS for which you want to download the installer file.

Follow the below steps to get the macOS installer file of Big Sur, Catalina, Mojave, and High Sierra: To create bootable USB, you need to first download the macOS installer file.

A downloaded installer file of the macOS version, for which you have to create the bootable USB installer for Mac.

A USB thumb drive or any other external drive formatted as macOS Extended, with storage capacity of at least 14 GB.What’s Needed to Create Bootable USB for Mac?īefore you start, you need to keep the following things handy:

#How to make a flash drive bootable mac how to

If you want to know how to create a bootable USB to install macOS Big Sur, Catalina, Mojave, and High Sierra, then this post is for you. You can use this bootable USB macOS installer to perform a clean install of macOS, install macOS from USB on a separate volume of your Mac drive, or in case your Mac encounters OS issues. Restart the computer with the USB drive still inserted into the USB port to boot your computer from the drive.If you plan to install macOS on multiple Mac systems and don’t want to download the installer multiple times, then you can create a bootable installer. Search for the boot disk that corresponds to your computer's operating system.ĭownload the boot information for your operating system and then transfer it to the USB flash drive. Follow the link in the Resources section to the "Boot CD" website. For example, if your USB drive is the "F" drive, type "mkbt -x bootsect.bin F."Ĭlose the Bart's MBKT program and return to your web browser. Click inside the command prompt and type the phrase "mkbt -x bootsect.bin" followed by the drive letter for your USB drive. Navigate your browser to the link in the Resources section for the "Bart's MBKT" program.ĭownload and install the software.

Note the drive letter associated with your USB drive in the "My Computer" menu, such as G:\ or F. Leave the various drop-down menus at their default settings and click on "Start Format."

Click on the Start menu and then choose "My Computer." Right-click your USB drive and select the "Format" option. Insert your USB flash disk into the USB port on your computer.