In case your computer can't boot up or you will get the message like Operating System does not work than you make that your hard drive can't work properly. Once you know that your hard drive can't get work than there are many ways to retrieve the hard drives.
The special data recovery software are use to provide the data solution and recover the data base from the hard drive if it is crash and are able to make repair of it.
If you're hard drive is not under the recovery condition than you must have to consult the data recovery expert to recover the database.
Some time change in circuit board can also able to make your hard drive functional. Depends on types of problems of hard drive, you can treat it accordingly.
Incase your hard drive is completely dead than you have to connect it to another computer as slave. If you are able to access the drive through BIOS than you can connect retrieve the database properly. The data recovery software can also access the database from the hard drive.
You must have to check the several options and consult the expert to get the proper solution of the database. There are many companies provides data recovery services so better you consult the company to get the appropriate solution.
