If the drive is still physically good, the simplest thing is to reinstall. If the drive isn't physically good, and/or the data is valuable/critical enough to pay to retrieve, you may use a data recovery service to retrieve it.
If the drive is still physically good, the simplest thing is to reinstall. If the drive isn't physically good, and/or the data is valuable/critical enough to pay to retrieve, you may use a data recovery service to retrieve it.