How to boot a mac with the macos big sur usb install drive. Create macos big sur bootable usb on mac using terminal. How To Create A Bootable Macos Big Sur Usb Installation Drive The installation has been covered in another section.Ĭreate bootable usb mac disk utility big sur. Open app store and search for macos big sur. Select the macos big sur option from the drop down menu.Īs the big sur is available in beta version only you can easily create a bootable usb by running a single line of terminal command in your existing mac os. This gives me a good sense of security, as. Click get and the software update window will open. Format the drive and install a fresh copy of macOS, then use Disk Utility to erase the free space (typically the one-time write-with-zeros option). When the macos installer opens follow the onscreen instructions. Use the terminal to make a bootable macos big sur installer drive. Although the Disk Utility app of Mac OS X can erase free space on Mac hard drive, there is a chance that it might not be able to do so in a secure manner.
Along with both Secure Erase and the Erase Free Space. Then reinstall OS X, then Erase Free Space with an overwriting option. Turn on your mac and continue to hold the power button until you see the startup options window which shows your bootable volumes and a gear icon labled options. Mac 911: How to erase your Macs hard drive the right way. Power on the mac and hold on the options button on the keyboard. In these instructions i use untitled as the name of the external drive. Insert usb on the mac and then launch disk utility. On the disk utility window you have to erase the drive in which you want to install macos big sur.
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