HD mirroring in Win 7 Ult 64bit

Hi, you can try using Acronis True Image to aling the WD10EARX and then clone the WD5000AAKX. Check the link below for the steps. 

http://wdc.custhelp.com/app/answers/detail/a_id/5341/session/L3RpbWUvMTM1NjI4NDEyNi9zaWQvVUZQVDF1ZWw%3D

http://support.wdc.com/product/downloadsw.asp?sid=128&a=

http://wdc.custhelp.com/app/answers/detail/a_id/3682/session/L3RpbWUvMTM1NjI4NDEyNi9zaWQvVUZQVDF1ZWw%3D