What's more, while these approaches are often effective, they involve overwriting the source hard disk and could have unintended consequences, such as potentially overwriting a good file with a corrupt one.
While these approaches can work for some lost data, they are ineffective when a drive has a physical problem. Many of the popular commercial products also have free trial versions or freeware versions that have limited capabilities. An image backup includes everything on the disk, including hidden and system files that a file-based backup would not include. If anything happens to the original drive, the image can be used to restore anything from a single file to the entire disk back to a known, working condition.
Differential and incremental images can be added after the original image is created, reflecting all changes from the time the image was made until the most recent update. Commercial products such as R-Studio, Ontrack EasyRecovery, Stellar Phoenix, and several others can recover deleted or reformatted disk partitions on a variety of storage devices, including internal and external drives, USB thumb drives, and SD Cards.īackup and disk imaging products, such as Acronis True Image, StorageCraft ShadowProtect, Marcium Reflect, Symantec’s Norton Ghost and many others are able to create full disk images that are exact duplicates of the original disk. Microsoft Windows’ built-in CHKDSK command, which has been around since the DOS days, can identify and remap damaged sectors.
There are numerous consumer products for simple data recovery, such as a getting back a deleted file, a deleted disk partition, or data from a damaged disk sector.
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