Have you lost the information, the system will not boot after an installation program? Have you noticed that you have accidentally deleted files or folders or formatted the disk?
Do not try to recover with the means and methods amateur. Each professional will attempt away from the possibility of getting back the data. Each time the device failure could worsen the situation, reducing the chance of a recovery or increasing costs. Finally, never rely on hard non-specialized people. The recovery attempt conducted improperly, can make the data inaccessible forever. If you need details information about data recovery from failed computer hard disk drives or another storage devices, you can visit here.
Here are some suggestions to improve the chances of a subsequent recovery:
Necessary above all to remain calm: Actions dictated by panic are usually harmful and inappropriate. Think about the fact that the data are gone forever and that are probably still recoverable.
Avoid any system startup, especially in case of suspicious noises or problems related to hard disk: The best solution is to turn off the computer. Each write operation overwrites the free locations where instead are often deleted data. The use of tools and system utilities such as Scandisk or Defrag, under the presence of problems can only worsen the situation.
Not groped recovery means and methods amateur: The re-installation of the operating system or the use of tools for recovering data that is not fully known, can only aggravate the situation. Any attempt unprofessional you away from the possibility of taking back data.
Never try to open the hard disk: The unprotected contact with the atmosphere will reduce the chances of recovery.