Hi
Download Recover My Files from
Data Recovery Software to Undelete Files; Disk recovery; Recover Deleted Files.
Run the program, close down the wizard screen, and click on the OPTIONS button and in the ADVANCED tab. Put a tick in the box for "scan for lost files across the whole device (and not only in the free space)".
The run a "Recover Files" search on the drive letter and select the file types that are most important for you to recover.
By running this scan you will also be including any CHKDSK files which may contain valid data.