Check this thread [URL]
Hi  I have recently bought one of these which came with no HDD, i have installed windows 10, and downloaded the chip set drivers off the dell site, I started with the latest drivers but will have the bellow unrecognised in device manager, please could someone advise, i have also tried the 2 older drivers, done the bios update.   [IMAGE]  
Dell 3020M Desktop SM Bus Driver