ear , i am using a 600 gb sata Hdd with usb casing. i stored all my video files to one partition and put all data to another partition. Accidentally i installed windows 7 to my same Hdd and relocate the partition again. Alter installation i found that i did wrong,now i use a recovery software that recovered my 2nd partition as well but the 1st partition didn't found,dear can u tell me how can i get my data back. is there any software which help me out