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1. CREATE USB BOOT DRIVE FOR MAC HIGH SIERRA HOW TO
2. CREATE USB BOOT DRIVE FOR MAC HIGH SIERRA INSTALL
3. CREATE USB BOOT DRIVE FOR MAC HIGH SIERRA WINDOWS 10

CREATE USB BOOT DRIVE FOR MAC HIGH SIERRA INSTALL

If you want to install the same version of macOS as that provided in Recovery mode, you can now start up in Recovery and run the macOS installer there, selecting your external disk as the destination.

Although macOS should cope with that, you’ll likely get confused. Encryption is up to you, although external disks don’t benefit from the hardware encryption provided to internal SSDs by T2 or M1 chips.Īvoid naming the volume Macintosh HD, which would normally coincide with your internal storage. If you prefer, and are sure that everything will cope, you can use APFS Case-Sensitive if you prefer. Normally, you should choose to format it in APFS but not Case-Sensitive, for greatest compatibility with software. You don’t and can’t do that on an M1 Mac: this only applies to Intel Macs with T2 chips.Īlthough you can do this immediately before you install macOS onto it, it’s usually better if you connect the external disk now, open Disk Utility, and format it ready for the installation. To do that, restart in Recovery mode (Command-R), open Startup Security Utility and enable your Mac to boot from external media. If you’re using an Intel Mac with a T2 chip, you first need to check that your Mac is configured so that it can boot from an external disk, unless of course you already know that because that’s what it’s doing now. First, run diskutil list and find the identifier of the USB drive (this will be something like disk2 or disk3 make sure you find the right one, since you could erase the wrong drive and lose data if you don’t use the correct identifier).As Apple doesn’t yet appear to provide complete instructions for the creation of a bootable external disk in recent versions of macOS, and the information which it does provide is at best misleading in places, this article attempts to remedy this for both Intel and M1 Macs.

CREATE USB BOOT DRIVE FOR MAC HIGH SIERRA WINDOWS 10

After some research and a lot of trial and error, I found that the USB drive must be formatted with a FAT32 partition and the MBR partitioning scheme, after which you can simply mount the Windows 10 ISO in macOS and copy the files to the drive.įormatting the USB drive can be done from the command-line fairly easily.

My first instinct was to use dd to copy the ISO to the USB drive (as one typically does when installing a Linux distribution, for example), but it turns out that this does not satisfy the UEFI boot process.

CREATE USB BOOT DRIVE FOR MAC HIGH SIERRA HOW TO

Microsoft provides a tool for creating a bootable Windows 10 installation drive from an existing Windows system, but not for macOS, and there is some conflicting information online about how to go about doing that. This was my first time installing Windows 10, and it turned out to be a bit of a challenge, as I opted to purchase a downloadable copy through Microsoft’s website and transfer it to a USB drive on my Mac running macOS High Sierra. I recently put together a new gaming PC for the first time in several years.

Making a Bootable Windows 10 USB Drive on macOS High Sierra - Josh Beam's Website Josh Beam's Website Articles Software GitHub Email Making a Bootable Windows 10 USB Drive on macOS High Sierra