Not able to open few files in my 1TB HDD

Hello,



I have boubht a new LED and connected my 1TB HDD to it. After few minutes few folders in my HDD are not showing in the LED. When i connected my HDD to my system and tried to access few files i got some error message. I have done chkdsk foldersare changed into the icons shown in the attachment. Can you please help me out in retriving my data.

Thanks.

Kiran Thatikonda