I suggest following this thread: http://community.wdc.com/t5/My-Book-Live/New-Release-Firmware-Version-2-10-12-129-for-My-Book-Live-3-14/td-p/371573
If the problem continues, RMA the drive.
I suggest following this thread: http://community.wdc.com/t5/My-Book-Live/New-Release-Firmware-Version-2-10-12-129-for-My-Book-Live-3-14/td-p/371573
If the problem continues, RMA the drive.