If you are looking for guidelines on how to repair bad sectors on hard drives, you have landed on the right page. After going through this article, you will know what are bad sectors on hard disks, what causes them and how can they be repaired.
Do you frequently get messages like ‘Cyclic Redundancy Error’ while retrieving data from your hard drive? Then you may be facing the problem of having bad sectors on your hard drive. It is a frequent problem caused in old and overused hard drives. In this article, I explain how to repair bad sectors on hard drives and save your data.
What are Bad Sectors on Hard Drives?
Before we talk about how to fix bad sectors on hard drive, let us understand what we mean by bad sectors. A computer hard drive is a magnetic storage disk on which data is stored by changing of its magnetization states. The disk is designed to function as a data bank with addresses for each region. It is divided into concentric tracks starting from the center, towards the outer rim. These tracks are further divided into sectors by radial division. Every sector is a unit data storage space which holds about 512 bytes of data. On a hard drive with a total memory capacity of 200 GB, there are as many as 400 million such sectors. READ MORE
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