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An Introduction to Data Recovery


Losing important or personal data can be an extremely stressful experience. There are many different ways that this can happen. Accidental deletion is one of the most common causes of data loss. However, data can also be lost or corrupted due to a hardware or software malfunction. Data can also be lost due to a virus attack. Formatting a drive or reinstalling Windows on your hard disk will cause you to lose all of your data. When this happens, you may be thinking of data recovery to get back what you have lost. Fortunately, in the majority of cases, data recovery is actually possible and, using the right software, you should be able to retrieve your data intact.

When you delete files and then empty the recycle bin, you may think that it is gone for good. This is, in fact, untrue. When files are removed from the recycle bin, Windows simply marks the space previously occupied by that data as free space. Nothing is actually deleted. It does mean, however, that the data can be overwritten. Once the original data has been overwritten, it will be impossible to recover intact. Because of this, it is essential to deal with the problem of data loss as quickly as possible, before the content of your hard disk is modified any more. There are cases in which lost data has been recovered several months or even years after deletion, but this is rare and should certainly not be relied on.

If you have lost important data, you should work on getting it back as soon as possible, while making minimum changes to the disk in the process. There are many data recovery tools out there which can help you. Some of these tools can be run from flash media or an optical disk so that you do not have to further modify the data on your disk before you use them. These programs can scan the file system for data which has been deleted. The data recovery software will give you a list of deleted files, including those which are unrecoverable or partially recoverable as well as those which can be recovered intact. In general, smaller files such as picture or document files are more likely to be recoverable. Larger files, such as video files and large archives are less likely to be recoverable since they take up more space which can be overwritten.

Data recovery software typically supports any kind of digital media, including flash memory cards and USB memory sticks. When you delete something from a flash drive, it doesn't even go into the recycle bin and people often forget this. Fortunately, many data recovery tools are particularly effective in retrieving data deleted from such media. In many cases, data can also be recovered from drives which have been formatted as well.

In conclusion, if you have recently lost important data, deal with the problem immediately and you should be in luck. Most data recovery programs do exactly the same thing, though some are more reliable than others.

 

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