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Data Loss due to Bad Sectors
Home Data Loss due to Bad Sectors

For data management and accessing, a disk is divided into tracks, which are further divided into sectors. Each sector has a fixed amount of data, accessed by system. A sector is termed as bad if it remains of no use. The fault can be physical when the disk particles get hampered and logical as well when parity damage or file system issues come into play.

Bad sector is the technical terms devoted to the portions of drive that can’t be accessed anymore and is marked as unusable, when found. They can be detected through CHKDSK utility, which was known as SCANDISK, earlier than Windows NT.

The top reasons why disk gains bad sectors are manufacturing faults which include defect in magnetic substrates, mechanical hard drive failure which cause head to come in contact with disk surface and destroy the data, thermal fluctuations affecting the magnetic surface and power loss while write operation.

With concern to data, magnetic surface once scratched off or suffered mechanical abrasion of magnetic film can’t let you access data in any way and so no recovery is possible, while, the other cases, which are termed as soft causes and include file system and parity issues, are curable through formatting. So data loss is certain and no data recovery solution is available for physical bad sectors. However, after formatting and removal of logical bad sectors, Windows recovery solutions such as Stellar Phoenix Windows Data Recovery can be applied to extract the information.
 

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