What to do when you find Bad Sectors on Hard Drive in Windows?

Bad sector refers to a disk sector on a disk storage unit that is permanently damaged. What can you do if your hard disk has a bad block and how to repair bad sectors on hard drive? This post will show you what bad sector is and how to solve the issue bad sector on hard drive.

A bad sector on a hard drive is simply a tiny cluster of storage space — a  sector — of the hard drive that appears to be defective. The sector won’t respond to read or write requests.

Bad sectors can occur on both traditional magnetic hard drives and modern solid-state drives. There are two types of bad sectors — one resulting from physical damage that can’t be repaired, and one resulting from software errors that can be fixed.

Bad sectors will lead to many problems, such as data loss, scanning and repairing drive stuck and so on.

How to Check the Disk and Mark the Bad Sector?

Before going on bad sectors repair solutions, you need to mark the bad sectors as unusable on hard drive first. However, if you don’t know whether your hard disk has bad sectors, you need to check the hard disk first and then mark the bad sectors later.

And now, we will show you how to check the disk and mark the bad sectors step by step.

Step 1: Type the cmd the search box of Windows and right-click the Command Prompt to choose Run as administrator.

Step 2: In the popup command line window, type the command chkdsk c:/f /r and hit Enter to continue.

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Step 3: Then you will receive a message which tells you that Chkdsk cannot run because the volume is in use by another process. Then you need to type Y to continue.

During the restarting process, the check disk process will be performed.

Step 4: When the check disk process is finished, the bad sectors on hard drive will be marked as unusable and the operating system will skip the bad sectors in the future.

Bad sectors on hard drive may lead to data loss or some worse problems. Therefore, after you have marked the bad blocks as unusable, you had better back up the files to avoid data loss.

How to Keep Data Safe When Bad Sectors on Hard Drive?

To back up files, MiniTool ShadowMaker is recommended. It is a piece of professional files backup software which enables you to back up the file, folder, disk, and partition.

It can also back up the operating system.

Before we go on to the next steps, please download MiniTool ShadowMaker Trial from the following button firstly and we will show you the instructions of backing up the files step by step.

Free Download

Step 1: Install the program, launch it, and click Keep Trial to continue. Choose Connect in This Computer to enter its main interface.

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Step 2: After entering its main interface, please go to the Backup page and click Source module to continue. Then choose Folders and Files to choose which files you want to back up.

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Step 3: Returning to Backup page, choose Destination module to decide where you want to save the backup image. It is recommended to choose an external hard drive.

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In order to provide better protection for data, there are three important things you need to know.

  1. MiniTool ShadowMaker enables you to create an automatic backup through the Schedule
  2. In order to manage the disk space, you can change the backup scheme through Scheme The Incremental backup scheme is chosen by default.
  3. MiniTool ShadowMaker enables you to set some advanced backup parameters through Options.

Step 4: After you have selected the backup source and destination, you can click Back up Now to perform this action immediately so as to provide protection for your data.

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When the process is finished, you can successfully keep your data safe.

Hard Disk Bad Sector Repair Suggestion

Now, it’s time for hard disk bad sector repair solutions. As a matter of fact, the bad sectors can’t be repaired directly if it is physical damaged.

However, in order to keep data safe, you can choose to clone your disk to another one.

For example, if there are too many bad blocks on hard drive, more and more bad sectors will be marked as unusable and the available space on the hard drive will become less and less. Thus, the advice is to clone your hard drive to another one.

And here, we will show you how to clone a hard drive with two different ways and will show the instructions with pictures step by step.

Use MiniTool ShadowMaker

First of all, we will introduce how to clone a hard drive with MiniTool ShadowMaker. Besides the backup feature, it is also a disk clone tool.

Then we will show you how to clone a hard drive step by step with pictures.

Since there are bad sectors on your source hard drive, you need to remove the original one and connect the target disk to your computer. In addition, if you want to boot your computer from the target disk, you need to change the BIOS settings.

If you have met the issue bad sectors on hard drive, you can choose to clone it to another one. That way, you'll need MiniTool Partition Wizard software to clone the hard drive.

And as for data protection, it is recommended to clone your hard drive to another one. However, if you have any better solution to repair bad blocks on hard drive, you can share it on the comment zone.

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