Usb Mass Storage Device Driver Windows 8.1 Info

USB Mass Storage Class Driver (USBSTOR) Why it is helpful: If you are looking for how the OS communicates with the hardware, this is the core. Windows uses a generic driver named usbstor.sys . This documentation details how this driver bridges the gap between the Windows I/O system and the USB stack.

This driver acts as an interface between the Windows 8.1 operating system and the hardware. It follows the protocol, which allows any compatible device to be treated as a standard external drive. usb mass storage device driver windows 8.1

If your USB device isn't showing up in File Explorer, follow these steps to reset or update the driver: 1. Reinstall the Driver via Device Manager USB Mass Storage Class Driver (USBSTOR) Why it

net stop usbstor net start usbstor