Lets Consider The Following

Even though hard drives are built to last and withstand a lot of things, crashes are something that hard drives are not handled well. Although data loss is something expected -  No matter  how big  the process you build a hard drive not to fail, failure is bound to happen one day.

If this happens, and you lose all your data, you should never try to fix the hard drive yourself unless you know exactly what to do. At this stage, the professional services of data recovery are not just a luxury - it is a job that should be left to a professional that they have knowledge in, Because the data recovery process is time consuming, and requires both tools, expensive software and a clean working environment.