Check if the new hard drive is recognized on the Disk management window, if it is, you provably need to format it.
How to partition and format a WD drive on Windows (8, 7, Vista, XP) and Mac OSX
Check if the new hard drive is recognized on the Disk management window, if it is, you provably need to format it.
How to partition and format a WD drive on Windows (8, 7, Vista, XP) and Mac OSX