RAW Partition Repair and Fix window cannot recognize file system

The volume does not contain a recognized file system.
RAW Partition repair without lose data.

( Warning : I won’t be responsible if you can’t recover the partition so try at your own risk.)

1. Note down drive letter of corrupted or damaged driver ex, D, E, F etc
2.Run command prompt “cmd” as administrator
3.Type Chkdsk “Your Drive letter”: /f for example Chkdsk D: /f
4. Press enter and wait to complete 100%
5. After completing close cmd and check your partition if it open its ok otherwise next fix security permissions as did in video

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how to repair windows 7