If you just want to reformat the drive, check the link below…
http://wdc.custhelp.com/app/answers/detail/a_id/3865/session/L3RpbWUvMTM2MjE1NzA4Ni9zaWQvNk54OHY0a2w%3D/kw/format/session/L3RpbWUvMTM2MjE1NzA4Ni9zaWQvNk54OHY0a2w=