How to Remove Bad Sectors from HDD Disk: Understanding Logical and Physical Bad Sectors

When it comes to hard drive maintenance, detecting and removing bad sectors is a crucial task. A bad sector on an HDD disk can cause data loss and even lead to complete failure of the hard drive. In this article, we will explore what bad sectors are, how they occur, and most importantly, how to remove them from your hard disk permanently.

What Are Bad Sectors?

Bad sectors, also known as soft bad sectors, are logical errors that occur on an HDD disk when data cannot be written or read due to physical damage or corruption. These sectors may not respond to read or write requests, leading to data loss and corruption.

On the other hand, physical bad sectors are permanent damage to the disk sector itself, making it impossible for any data to be stored or retrieved from that sector.

Symptoms of Bad Sectors

If you encounter any of the following symptoms when using your computer, it may indicate the presence of bad sectors on your hard drive:

* Fdisk command execution becomes randomly interrupted

* Scandisk utility runs automatically every time the system boots

* Disk formatting fails with an error message

* System cannot start normally due to virus infection or 'Sector not found' or 'General error in reading drive C'

* Strange sounds from normal friction of the hard disk

How to Remove Bad Sectors

To remove bad sectors from your HDD disk, follow these steps:

1. Scan Disk: Use a third-party software like MiniTool Partition Wizard to scan your hard disk for bad sectors.

2. Data Recovery: For logical bad sectors, you can use data recovery software to recover any lost data before formatting the affected sector.

3. Format Hard Disk: Format the hard disk using MiniTool Partition Wizard to mark the bad sector as unusable.

4. Run SFC: Run the System File Checker (SFC) tool again to check for any remaining bad sectors.

By following these steps, you can effectively remove bad sectors from your HDD disk and prevent data loss and corruption.

Bad sectors on an HDD disk can be a major cause of data loss and hard drive failure. Understanding the symptoms and causes of bad sectors is crucial in preventing them from occurring in the first place. By following the steps outlined above, you can remove bad sectors permanently and ensure your hard drive remains healthy and functional.

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