The four most common reasons for data loss are:
* You deleted the file by accident during a disk cleanup or because you thought it was no longer required It is not in the Recycle Bin, However the data will still exist until the space it occupied on the disk is used by another file.
* Overwriting You saved a new file over the top of the old one, However the old data may still exist and be recoverable.
* File system corruption The disk suddenly appears empty or the file and folder names contain gibberish The files probably still exist, but the pointers to them have been lost or corrupted, and the operating system cannot find them.
* Physical damage or hardware failure You receive error messages when you try to read the disk, or it is not recognized by the computer at all The data is still likely to be present on the disk itself, but the drive is incapable of accessing it.
* In each case there is a good chance that the data still exists The computer operating system isn’t able to see it, but data recovery software may be able to If the problem is a hardware failure then a data recovery service may be able to get back the data using special equipment.
- Prepare for data recovery
* There is one cardinal rule of data recovery for the best chance of recovering the files you must not write any new data to the disk they were stored on The old data will only remain on the disk until the space it occupied is used by another file If the disk is your computer’s main drive then the drive is being written to all the time You should turn off the computer immediately and use another computer to search for a solution to recover your data You should put your computer’s hard disk in another computer to do the data recovery or use data recovery that runs from a CD or floppy disk because installing the data recovery software on the drive could overwrite the very data you want to recover.
- Choosing the data recovery method
* Data recovery tools use different methods to try to recover data Some tools are designed for recovering deleted files, others are better for restoring overwritten files or recovering files from disks that are physically damaged Some data recovery software products have been developed specifically for recovering photo images or Microsoft Word or Excel document files Such products may succeed where others fail because they understand what these files look like and can recognize their data when other clues to its existence have vanished.
- Other method
* When your hard drive crashes, or you lose all of your information there are things you can do to get back your data The best way to get back your data, is to take your hard drive to a specialist in your area or send it off to a company This way, tests can be run on it and the specialists there can recover your data, which may require rebuilding your hard drive.
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