The second division of recovery is the one in which hard drive will be completely damaged physically due to failure. Trying to retrieve the files whenever hard drive fails or it is physically out of service, it will always result in futile effort. There are professional in the field that will handle the recovery process much smoothly and even repair the hard drive and retrieve data completely. Many people think that hard recovery is easy and storage of data in hard drive is quite safe. But this is not true .The stored information is always not secured, since the amount of data stored in the hard drive are not always retrievable. Hard drive can be called as a component which belongs to the mechanical engineering that spins at about 120 times per second and will go on spinning continuously . You need to know the fact that before deal with any hard disk drive recovery process, if there are peculiar noises or no noise the reason for its failure may be considered as mechanical. In order to fix the problem, the hard disk drive recovery expert will merely dismantle the hard drive. But there are some cases even though the mechanical problem may cause the hard drive to get damaged, which ends in affecting the data stored on it. Recovery after a crash If you cannot reboot the computer properly and your hard drive is no longer found in the BIOS, there are ample possibilities that your hard drive would have been crashed. Is you doubt so, shut down the computer immediately .If the problem is physical or external, don't execute over the drive as it may damage the head component or stack of the hard drive which will cause more complications Recovery after corruption Whenever you have reformatted the hard drive accidentally don't try to write anything new into the hard drive, because the files that you have erased are still inherent within the computer somewhere. This also occurs to most of the companies who handle the retrieving of their data, taking back up of data on a routine manner. It's for this cause that whatever be the matter, wherever you have kept your data, as far as you are within your environment or company disaster software will assist you to search the solution for it. There are some points by which you can check or consult if you feel the need for a hard drive recovery process. Check whether you have lost a few files or all the file Check whether rebooting is happening or not Check whether the hard disk drive is making any clicking or humming sound Check whether you happen to see a message which says no disk found or what else the message was?