Guide-Install Windows 7 to N3150 Mini PC

N3150 Mini PC with Dual Realteck lan port, dual HDMI out put. Product picture:


Suggest using windows 10 on this mini pc, but for some reason many users need to install Windows 7, and then everybody get problem and find the USB port cannot use at all, no way to install Windows 7, here we make the guide to help you out.