They are just provided to understand you that a remedy for data recovery problems is always there to help you retrieve the data and drives recovery. Most of the providers who deliver software for free will also have fixed span of period, after which the software will go off just like the hard drive break down. You need to be on guard, the software that you deploy doesn't harm your hard drive and make the data loss and it should have a small disk impression. According to the specialist the appropriate recovery software even need not be installed in your computer, as it can run from the CD or floppy itself. Some people may not agree to the fact, but the fact is that don't install anything on the hard drive whenever you have lost something essential. If you undergo any hard drive failure, then never be reluctant on calling somebody to help you or there are number of experts in this area, who specialize themselves for such jobs who will get the data as well as hard drive back. These people are running their own lives only with the money that is obtained from us for such recovery processes. So they will be very cautious about the data in the hard drive, but yet need to do much research in order to get a good company to do the work. Retrieving the data somehow It is quite appealing that, whatever be the problem, nothing will happen to the data stored. Either the hard drive is repaired or even if its not repairable, then these companies will help to recover the data stored in it by copying it in another media like tape or into new hard drive. In valuation procedure of hard drive recovery, the medium of hard drive undergoes a thorough examination and analysis in order to key out the real situation of the hard drive. Some of the important points to consider during the recovery procedure of hard drive are: First the technician shall give you an idea about the type of problem, that whether it is substantial or it is locally connected or both of them. 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.