Sadly sometimes when a firmware update fails it bricks the drive. Sometimes this
http://www.techspot.com/community/topics/usb-drive-or-flash-problems-how-to-cleanup-and-remove-old-usb-storage-drivers.145884/will clear out coprrupt USB data. This link has some more info on testing drives
http://community.wd.com/t5/External-Drives-for-PC/Three-of-four-new-WD-Elements-2TB-fail-WD-diagnostic-tool/td-p/540933 I can’t think of much else to try.
Joe
