You can try using a freeware program Recuva http://www.recuva.com/
From the website " Recuva (pronounced "recover") is a freeware Windows utility to restore files that have been accidentally deleted from your computer. This includes files emptied from the Recycle bin as well as images and other files that have been deleted by user error from digital camera memory cards or MP3 players. It will even bring back files that have been deleted by bugs, crashes and viruses!"
You can try Stellar Phoenix file recovery software.It will help you to recover all your lost data.I have use this software to recover my data. Download its free demo version and scan your hard drive for lost data. In demo you will able to see the preview of your recoverable file. After seeing the preview go for full version to complete recovery. http://www.stellarinfo.com/file-recovery.htm