Windows 7 does not natively support USB 3.0 (xHCI). On newer hardware (starting with Intel 100 Series/Skylake chipsets), USB ports often fail to work during the installation process unless the drivers are "slipped" into the installation media beforehand.
: Specifically designed for 100-series motherboards and later, it creates a Windows 7 installation file with preloaded USB 3.0 drivers. Gigabyte Windows 7 USB Installation Tool windows 7 usb 30 creator utility intel download center top
Extract the downloaded Win7-USB3.0-Creator ZIP archive on your host machine. Windows 7 does not natively support USB 3
If you have ever tried to install Windows 7 on a computer built after 2014 (especially Intel 6th-gen Skylake or newer), you have likely encountered a frustrating roadblock: Your mouse and keyboard don’t work. The installer freezes because it does not recognize the USB 3.0 controller. Gigabyte Windows 7 USB Installation Tool Extract the
1. MSI Smart Tool or GIGABYTE Windows 7 USB Installation Tool
2. "A required CD/DVD drive device driver is missing" Still Appears