if you are using CGminer then you have BFGminer drivers installed.
if you are using CGminer make sure to run Zadig and change the drivers to the winusb drivers.
If you are using BFGminer then reinstall the CP210VCP drivers.
if this is your first time using the miner, and you just got it and installed it, the BFGminer should recognize it as it runs on specific comm ports (for Sha-256 miners) if it is not new and worked before then you must have changed the drivers.
if you are trying to run BFGminer and CGminer at the same time (for sha-256 miners) I can tell you it may not work, I cant get it to work unless I am running CGminer on script (which asks for CommPorts) and then use BFGminer for my sha miners. I do not like this because my SHA miners do not get as good of hashrates as they did in CGminer asnd the hardware errors arrrrrrrrr
