Insert an 8GB or larger flash drive into a USB port on the Mac.USB Flash Drive The USB Flash drive must be formatted as exFAT. It is important to use this Mac since it will be used to identify the correct Windows drivers. Windows 10 Installer ISO for Windows 10 Preparation All the preparation is done in macOS on the Mac that is having an issue booting Windows.USB Flash drive (8 GB or larger recommended).Powerpoint for mac - multilevel number list generator. It is relatively straightforward to create a bootable USB Flash drive to boot to the Windows 10 installer, and then open up a DOS prompt for troubleshooting. To troubleshoot an issue with Windows 10 (especially boot-related issues), it can be handy to boot to Windows 10 that is not installed on a Boot Camp partition.
