Sat. Jun 12th, 2021

Disk Data recovery is a process of salvaging data that is lost due to a physical or a logical damage of any storage media such as hard disks, memory sticks, USB drives, flash drives, and external zip drives.

Scenarios of data loss

Common scenarios of data loss involve hard disk failure, human error, and accidental deletion of data, software malfunction, and virus attacks. Literally, the lost files / data are not erased immediately after deletion, instead, references to those files in the directory structure are removed, and the memory space occupied by them is made available for overwriting.

Measures to be taken to avoid data loss

Data recovery is possible even if the disk is formatted, re-formatted / re-partitioned. When the disk is formatted all windows attributes are set to default values and data is still available on the hard drive. So, recovery is possible even after formatting the hard drive. If a file is deleted by using shift + Del key, it bypasses the recycle bin. Unfortunately, in this case recovery is beyond Windows. But it’s not beyond the abilities of any third-party recovery utilities.

So avoid using the computer to prevent overwriting of data, because chances of recovery will decrease considerably.

Data loss due to logical damage

If the data lost is due to logical damage then, in majority of the cases, the original data can be recovered by specialized hard drive recovery experts, where, the end user gets an intuitive interface which guides him in every single step of recovery.

Data loss due to physical damage

If the loss of data is due to physical damage then we can go for data recovery services. If the damage to the disk is due to bad sectors the disk may be cloned or imaged and recovery can be carried further. Once the disk image is taken and stored in a safe location, the file system may be reconstructed and recovery can be done, from the reconstructed file system.

Recovery of data

Windows doesn’t provide any in-built recovery utility to recover deleted / lost data. Fortunately, there are many recovery utilities provided by third-parties, and one of them is the recovery software.

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