This is a sick feeling, the moment you feel that some important documents, or irreplaceable images, have disappeared from your computer. But that's not the reason for disappointment. It is likely that the data still exists, even if you know that you have removed it. Your computer operating system does not know how to find it.
The four most common causes of data loss are:
* moving away. You accidentally deleted the file during disk cleanup, or because you thought it is no longer required. It's not in the Recycle Bin. However, the data will still be present as long as the location on the disk is not used by any other file.
* Overwriting You have saved a new file at the top of the old. However, old data may still exist, and can be recovered.
* File system corruption. The disk suddenly appears empty, or there is ambiguity in the name of the file and folder. Files may still exist, but the hints are lost or corrupted for them and the operating system can not find them.
* Physical damage or hardware failure You receive an error message when you try to read the disc, or it is not recognized by the computer at all. The data is still likely to be present on disk, but the drive is unable to access it.
In each case, there is a good chance that the data still exists. The computer operating system is not able to see it, but the data recovery software may be enabled in it. If the problem is a hardware failure, then the data recovery service may be able to retrieve the data using a special tool.
Be prepared for data recovery
There is a cardinal rule of data recovery: for the best chance of recovering files, you should not write any new data stored on that disk. The old data will remain on the disk only until it is captured in the place unless it uses any other file. If the disk is the main drive of your computer, then the drive is being written all the time. You must stop the computer immediately, and to find a solution using another computer to recover your data. To recover data, you must put your computer's hard disk in another computer, or use data recovery running from a CD or floppy disk, because by installing data recovery software on the drive you want to recover data. You can overwrite it.
Selection of data recovery method
Data recovery tools use different methods to retrieve data. Some devices are designed to recover deleted files, others are better at restoring overwritten files, or recovering files from those discs that are physically damaged. Some data recovery software products have been to recover photo images, or Microsoft Word or Excel document files. Such products can be successful where other people fail because they understand what these files look like, and can identify their data when other clues of its existence have disappeared.
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