![]() Deletion is the most common scenario for data loss on a hard drive. ![]() The next sections describe how data loss can happen on a hard drive and what all you can do to retrieve your lost data from the hard drive. You may resume hard drive usage after performing data recovery. So, after data loss, you must stop using the drive immediately to avoid any overwriting on the deallocated storage space. ![]() Any new file can overwrite the free storage area. Instead, to speed up computing, the OS simply updates the hard drive's file system and marks the pointer to the storage area containing the file as free. When you delete a file on your computer, the Windows operating system doesn't remove the file from the hard drive by writing random 0s and 1s on the storage sector or block. A hard drive is an electro-mechanical storage device that stores data in sectors and blocks on a rotating platter surfaced with magnetic material, and the data is retrieved randomly through a read-write magnetic head. Your Windows PC uses a hard drive to store and retrieve data.
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