If you have an older Mac and are using the current Windows 10 release, then most likely any required drivers in the Windows Support Software will be already included in the Windows 10 release. This is so the Windows installer can access any drivers included in the Windows Support Software that are not already part of the installation software provided by Microsoft. Within the Windows command prompt, you can run utilities on the Boot Camp partition.Unless you have one of the very early Intel Macs, the Windows Support Software is suppose to be available to the Windows installer during the installation process. The files from the boot.wim on the flash drive are copied to memory and then booted to
Run the following command and enter the admin password when prompted:
To install Windows, make sure that the drivers are valid, and restart the installation” message.
Drag all the files and folders from the mounted ISO to the USB flash drive.To mount the ISO, double-click on the ISO in Finder.
Mount the Windows ISO downloaded from Microsoft.To create the USB Flash drive, follow these steps: It does not matter what edition of Windows is used, since Windows is not going to be installed. Select the version of Windows that is closest to the version of Windows installed on the Mac (Windows 8, Windows 10). Windows will not be installed, but the install media will give access to the command line tools in Windows.
Windows Install Mediaĭownload the current install media from the Microsoft website. Do not save directly to the USB Flash Drive. Save the Windows Support Software to your desktop or other location. Open Boot Camp Assistant in the Utilities folder and download the current Windows Support Software from the “Action” dropdown in the menu bar. Quit Disk Utility after this operation completes. In Disk Utility, format the Flash drive as exFAT.Insert an 8GB or larger flash drive into a USB port on the Mac.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 10Īll the preparation is done in macOS on the Mac that is having an issue booting Windows.USB Flash drive (8 GB or larger recommended).It is relatively straightforward to create a bootable USB Flash drive to boot to the Windows 10 installer and open up a DOS prompt for troubleshooting. To troubleshoot an issue with Windows 10 (especially boot-related issues), it can be handy to boot into Windows 10 not installed on a Boot Camp partition.