But you need to be very careful, as the actual noise heard may be the critical stage, as your hard drive maybe getting damaged. According to the specialists, sound heard are symptoms of the shielded head failure where the crash actually occurs and crash recovery has to be carried out to get the files. Data Recovery for the FAT file system If you have FAT as the file system, and looking for the hard drive data recovery from this file system, then there are several efficient FAT recovery programs which are most effective and will help to restore the data that is missing from about 1000 of such file system Everybody should have the basic knowledge of what FAT is and why we need to recover from the file system. If any question arise in your mind as what the data recovery is all about, just take it as a simple procedure of getting the important data that is lost back on the electronic medium, the hard drive which is used for storage Some of the components that will cause loss of data may include computer attack like Trojan virus, worms, some issues of the software, compulsory intervention of human or mechanical or electrical repair. Though, most of the hard drives may stay as long as 10 years some even do not stay longer than a year. Whatever the duration or whichever the case, there are professional help available for recovering the hard drive which can you can very well utilize. There is one thing that most hard drive manufacturers will not tell you - most hard drives will fail although they are subject to normal conditions and use. If, by any chance you are having KSM hard drive as your drive named Deskstar, then the IBM hard drives are not different from any other hard drive. They are also another normal hard drive which will get damaged and suffer from all issues for a normal hard drive. They are also quite well known for the faults that they create mechanically. Apart from it, the data amount that has to be retrieved along with the steps needed and price of the service will be given .Thus these firms deliver some quotations to do the hard drive recovery. Just after the evaluation along with estimation done, the next step is approval to continue with the actual data recovery of external drive.