I dropped my 2TB WD hard drive- is there anything I can do?

Check the link below for the steps to run a test with DLG, if it fails replace it, if it passes the test backup as much information as you can and then format it. 

http://wdc.custhelp.com/app/answers/detail/a_id/940/session/L3RpbWUvMTM1NjMwMjMxOC9zaWQvQ3R6WTh2ZWw%3D