After doing a thorough check like this and answering the questions your self, you can call an expert to do the service .Its very important to choose the right organization which is reputed, if you want to approach a firm which does the service. In today's world where lot of firms proving service, it will be a very difficult work for you to choose the company you want. If you happen to hear something, then turn off your PC without delay. 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. But still there are disaster file procedures to recover the hard drive which is almost same as that of file recovery hard drive process utilizes from repaired hard drives in a condition which affects to a lesser extent. According to the file recovery specialists the measure of data can be in large volumes. If you feel that some trouble has been shot in your system, you can always get the helping hand of the experts who will be ready to help you get your lost files/data. According to the reports, it has been known widely that the real menace is actually caused to the hard drives is only by the people who operate them. 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. Laptops are in more demand now than PC, especially because of advanced technology behind them, but still laptop cannot be called as picture perfect like other kinds of PC as they will also get damage or break down. Have you ever been in a situation where your laptop drive is not accessible? There seems to be trouble in booting or is there any humming noise arising from your laptop's hard drive, then you can be sure that your hard drive is going to break down and you need a recovery procedure for your laptop's hard drive.