How to make a boot drive mac how to#

Here, I'll describe how to do so on a Mac using a special third party toolĬalled wimlib. Official installation instructions from Microsoft,īut that only covers creating the USB drive from Windows. The solution is to split the file, as described in the In the dialog, enter a name for the drive (WINUSB here), choose to format as MS-DOS (FAT) and Master Boot Record as scheme. In Disk Utility, choose to show all devices: Then, on the left side, select your USB drive from the list and click Erase on the top right menu. One of the files in the current 64-bit version of the Windows 10 installer, Insert the drive in your Mac and start Disk Utility. Requires the USB drive be formatted as FAT32, which has a file size limit of 4 GB. This helped, but I came across a problem: the installer He suggests formatting the USB disk on the command lineĪnd copying the files over manually.

I found a guide from a guy called Josh Beam Originally it seems that you could create a bootable USB disk using MacOS's Boot Camp Assistant ,īut that option seems to've been removed in recent versions of MacOS. Special requirements in order to be bootable (it uses a special UEFI boot process). Normally I use etcher for burning ISOs, but a Windows USB installer has Wimlib and some terminal/command prompt usage. The process is straightforward, but requires one third party tool called Selecting the correct GUID Partition Table option. Change the Format to Mac OS Extended (Journaled) Click the Options button. Enter a name for the drive, in this example Ubuntu Mac. Select 1 Partition from the drop-down menu. Windows 10 disk image (ISO) file from Microsoft. In the left-hand pane, click on the USB drive to select it.

If you haven't already done so, you'll need to download the This is a quick 'how to' guide to make a bootable Windows 10 USB drive/stick Split size (previously 4000 MB) and suggesting legacy BIOS mode. Update : Thanks to Parul Jain for emailing in with the 3800 MB