First answer to following questions:

 

• Have you got enough wisdom and skills to retrieve data from you computer?
• Are you really sure during retrieving of data You will not weaken information integrity and lose chance to get data back?
• Have you got a wisdom how the drives are build?
• Do you have a equipment that allows You to professional data retrieving?

 

If you are still absolutely sure You will manage with retrieving and won't destroy the data for good - You can try do it yourself.