Have a t420S with windows 10, Intel i5-2520mcpu @2.50ghz, 8gb ram, 64 bit x64 processor. Trying to format 2tb usb 2.5" seagate sata hard drive for use. tried several of the "cases" to house drive for insertion in dvd slot but did not recognize drive. Now, trying usb case. Can see the drive under "ow...