Brick my book live 3tb...HELP!

last night i try to install transmission on my book live 3tb…i succesful and it working greatly…

on the next morning… i try to acces my book live but i cant…light in front of my book live turn white not green anymore…and i think i have brick my book live…i have important file in that my book live around 2tb…i hope that anyone can help me to debrick my book live without losing my file…tq…

Search is your friend.

http://community.wd.com/t5/My-Book-Live/GUIDE-Debrick-MyBookLive-v2-0/m-p/567582#U567582

i already try using this guide…when i open gpartition it only detect 765gb unallocated…i connect using usb to sata…is that the problem??