If you are a computer professional then you have to be prepared to protect your hard drive data well from unexpected data loss and take back ups. Hard drives corrupt more often now then before. Sometimes we delete data by accident. Sometimes we delete data but we may need that later on. Computer data is not fully deleted from hard drive. It remains in some form for sometime unless you write more data and fill up the space. You can recover that data easily if you have some powerful tool to recover it. Here are some free powerful data recovery tools which I have been using.
Emergency file recovery requires more than the correct tool, though. It requires knowing how file deletion occurs, and what you have to do to maximize the chances of a successful recovery. When a file is deleted from your computer, its contents aren’t immediately destroyed. Windows simply marks the hard drive space as being available for use by changing one character in the file table so that the file entry won’t be displayed in My Computer or a command line DIR command, etc. If you manage to start an undeletion process before Windows uses that part of the hard drive to write a new file, all you have to do is set that flag back to “on,” and you get the file.
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