If you need to recover deleted files folders and partitions, Restore Drive file folder and Flash Media, try to use free data recovery software.
There is Top 10 FREE Data Recovery Software:
2. PC INSPECTOR File Recovery
3. Panda Recovery
4. TOKIWA DataRecovery
5. SoftPerfect File Recovery
6. Undelete Plus
8. ADRC Data Recovery Software Tools
9. Glary Undelete
10. Avira UnErase Personal
But I am not sure that they can run in windows 7 to recovery data.