The symptoms are as usual like scratch click sound exhaling from your hard drive. Don't get panicky, as the recovery of IBM hard drive is there to support. The recovery software for IBM hard drive has been developed by IBM itself which can be named as one of the best enterprise globally which specialize in software and other product of PC . After the specialist in data recovery gets access to the hard drive, they will generate a complete replica of the hard disk to their machine where the procedure will proceed. Valuation of the situation of framework of data will continue along with the information of how much of data is rectified without ruin. 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. In such a condition the number of times the data is recovered from the hard drive is less. Data that is lost will be due to different reasons, as some may be because of accident deletion, some may be due to software hindrance ,may also be due to impaired hard drive ,some may be due to virus that covers the system. One may usually split the data present in the computer into two particular divisions. They are back up with FAT file system16,32, as well as VFAT which can be used with any operating system of Windows like NT, XP, 95, 98, ME, 2000, 7. But it has to be noted that only a free demo trial is there in the online ,but still it quite satisfies the needs of recovery or will give you a better idea of the recovery process, so that you can buy if you would like to. When computer becomes a must for most of us, most of the companies are providing hard drive data recovery services for the sake of computer's users. The services provided for the recovery of hard drive often stands for one unique reason, that there is still some hope left for recovering the data lost, though you have erased your records or files from the hard drives unknowingly.