hello
my hard has a problem,my hard is WD and i installed a linux on it. i create a 640 GB partition on my hard for my information and the remain was for OS. now i can't read my hard and see my information. i receive the bellow error (picture):
please help me, i don't want to format it. I want to repair that without formating.

[img]http://s5.picofile.com/file/8172728200/2015_02_21_16_01_54.jpg[/img]