I have just purchased a new My Passport 4tb portable HD. When I insert the USB cable into a USB port it is not recognized. I do have another brand of portable HD as my backup. Even when I disconnect this other devised, reboot the PC, the new WD is not recognized. I am running Win 10+ 64 bit. Can someone offer a solution, thanks
It is called DOD. Return it for a replacement under DOD terms.