我想recover 返 d data....how?

有呀！
可以try下undelete plus，freeware

http://www.undelete-plus.com/

Undelete Plus is a quick and effective way to retrieve accidentally deleted files, files removed from the Recycle Bin, in a DOS window, from a network drive, from Windows Explorer with the SHIFT key held down.

Undelete Plus works under Win 95/98/Me/NT/2000/XP/2003 operating systems. The program supports all Windows file systems for hard and floppy drives including FAT12/16/32,NTFS/NTFS5 and image recovery from CompactFlash, SmartMedia, MultiMedia and Secure Digital cards.

Undelete Plus is a completly FREE Software. It contains absolutely NO ADWARE, NO SPYWARE, NO REGISTRATION, NO POPUPS, NO MALWARE or other unwanted software.

Undelete Plus allows the following tasks to be performed:
- Recovery of deleted files from NTFS/NTFS5, FAT12/FAT16/FAT32 volumes.
- Restoring deleted files on Windows 2000, Windows XP, Windows 98, Windows ME, Windows NT.