Searching the net and the opinions of friends and others, can work in some cases, but if they're wrong, you can ruin any hope of data recovery from your storage drive. There are other precautions that if applied correctly will not damage your computer and will help to recover your data. When it comes to data recovery, it's always best to get help from an expert. Whenever diagnosing a data drive problem, it's best to, turn off the device, disconnect the power supply and open the casing. Locate the hard drive and turn on the computer to try to identify the sounds that indicate any activity within them.
If luck smiles you will be able to detect any vibration that will indicate that you can still be able to recover your files. Otherwise, your only alternative is to take the hard drive to one of the many Data Recovery Centers to try and recover or salvage the files. Alternatively, remove the hard disk of your computer and try it in another machine. The goal here, is to be able to turn on the computer to copy files to another medium such as a laptop, an external hard drive or a USB stick. In each case you will need to perform the system restore That can be made in several ways: If you have a disk partition with a different operating system, try to turn the computer on from there. If you are using Windows, go to the screen that will allow you to select the partition where you launch turn on the computer and press F8 continuously.
If you can't even access this screen, you will need to navigate to the second alternative, i.e. one of the DOS boot disk operating systems such as Linux (Knoppix for example) that you can find in computer support centers. Starting with the new operating system should be able to access your files directly from the Explorer or through a specific data recovery software is compatible with the operating system as startup TestDisk or HDD or GetDataBack so copying them to re install the operating system. If you try these steps and still cannot find your files, the best alternative is to contact a technical service center computers. In any case, once you have recovered files, make sure to perfect your back up on external media or better yet automated back up on the server in the cloud.