Could you please tell us which Edison platform are you working on? Is this the first time you use the device?
Did you already install the drivers for it to work? If not, you can download them from this site https://software.intel.com/en-us/iot/hardware/edison/downloads. There you’ll have two options, the Integrated Installer and the Standalone Driver 1.2.1. Further instructions can be found here https://software.intel.com/en-us/installing-drivers-for-intel-edison-board-with-windows.
This is a general guide, https://software.intel.com/en-us/flashing-firmware-on-your-intel-edison-board-windows. Make sure that you’re following all the instructions prior to load the new image.