Whatever be the storage device any media is subject to risks and any mechanical and electrical error may occur anytime. However old or new the device, it may fail to operate properly and you cannot do anything to stop it. Thus you can see that the hard drive impairment is quite natural and there are number of reasons for the failure of data lost like deletion of file due to accident and also natural damages like fire and water. Most of the experts now keep their work of recovering the data as primary task or business, by which they will recover the lost records thereby earn for their livelihood. Moreover there are some organized companies in order to do the service for recovering the hard drive for you and trained and expert staffs to check out the problem and will confirm that the data can be recovered or not and whether it can be returned as such. One of the findings to such type of recovery of data from hard drive is that, hard drive usually never erases the partition or data. If you erase the files from the operating system, the files will be just tagged as 'been deleted' and whatever you save more and more files to them, i.e. to the hard drive, the system will label such files as having been deleted and consider it as void space and willingly copy over them. However there is chance for retrieving data with the usage of some of the processes of file recovery hard drive even after natural disaster like fire ,but it may get stumbled because of the fire extinguishers who uses water for the purpose ,which may get into the holes of the drive and make the drive useless. Getting into these trouble, you may now realize that you need to take a back up for all your files and folders at least once in a week ,so as to be safe and secured but back up of data can only be done only to the media which is portable and platform independent and on the internetworking. If any network is not obtained, you can very well store that data on the portable media available and be assured about its safety. So it is quite advisable to leave it as such, in order to recover the hard drive. After the deleted file is drifted to the recycle bin, if you want that particular file, it is best not to save any data to the drive as the hard drive will neither delete data nor do partition. Whenever you delete the file from the O.