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Best Bad Sector Repair Solutions to Check and Remove Bad Sectors on Hard Disk

Updated on Mar 07, 2018 by Abby Haines to Resource

This article provides the best bad sector repair solutions which allow you to fix or repair bad sectors and recover data from hard disk with bad sectors. Try the bad sector removal methods below to remove bad sectors from hard disk or external USB devices without formatting or losing data.

Why do you need a bad sector repair tool or software?

A bad sector is a sector of a computer or external hard drive, SD memory card, USB flash drive or pen drive that is either inaccessible or unwriteable. A large number of unusable bad sectors can cause low disk space issue. And files on bad sectors will be unreadable or inaccessible or even corrupted. To avoid all these issues, you are recommended to find reliable hard drive repair software to check and remove bad sectors from hard disk permanently.  

If you have no reliable choice, you can read on to get one. This article introduces you the best hard drive bad sector repair software and teaches you how to detect and repair bad sectors without formatting. Hope it is helpful! 

What is the best bad sector repair/removal solution?

The traditional way to remove or repair bad sectors is to overwrite the hard drive with zeros or perform a low-level format. But it is not the recommended way because it will cause data loss disaster. Then, is there any bad sector repair software that allows you to check and repair bad sectors from hard disk? Of course, yes. You need to follow the two steps below. First, detect the hard disk to find out the situation of your disk. Second, repair your bad sector after the detection.

Step 1. Detect the bad sectors and check your disk

To check the bad sectors on your hard disk, you need a free tool to help you. EaseUS free partition software is trusted and recommended by millions of users. It is a nice choice. It is able to check bad sectors for hard disk, USB flash drive, pen drive, SD memory card and other storage devices without formatting. You could know the situation of your disk with the help of this software.

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 Windows 10 is supported

1. Connect your device to PC, launch EaseUS free, right-click the device and click "Check partition".

2. Choose the way that you want to use to check and repair bad sectors: "Check Partition Properties", "Call Windows Chkdsk" or "Surface Test" and Click "OK" to continue.

3. Let EaseUS free bad sector checker automatically check bad sectors. And finally, click "OK" to finish the process.

check and repair bad sectors with best bad sector repair software

After the process, you could know exactly how many bad sectors are there and now you can manually fix/repair bad sectors.

Backup your important data before you take actions to remove bad sectors. The following operations may cause data loss more or less.

Step 2. Manually remove bad sectors

For Windows 10/8 users:

  • Open This PC > Right-click on System drive and choose Properties.
  • Go to Tools > Click Check.
  • Under Error-checking, click on Check.
  • Review the scan result > Click Scan and repair drive.
  • Choose when to repair the file system.
  • Wait for Windows 10/8 scan and repair the hard drive bad sectors.

Fix bad sectors in Windows 7:

  • Open Computer > Right-click the hard drive you want to check for bad sectors and select Properties.
  • In Properties window, click Tools > Check now in the Error-checking section.
  • Click Scan for and attempt recovery of bad sectors > Click Start.
  • Review the check disk report.

How to Restore Data on the Bad Sector Hard Disk as much as Possible

If the disk is badly damaged that it is impossible to repair the bad sectors, your wise choice is to replace the disk and restore as much data as possible. Here we’d like to recommend you try a powerful disk cloning software - EaseUS Disk Copy which is fully compatible with all OS. You can just apply this software to help you upgrade and clone the hard drive with bad sectors and restore data as much as possible.


EaseUS Disk Copy

Restore data as much as possible


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Note: Do remember to connect your good new hard drive to the computer as a storage device before upgrading the disk with bad sectors to the good one.

1. Install EaseUS Disk Copy on your computer and create a bootable disk of EaseUS Disk Copy:

  • Run Disk Copy.exe and select one option - USB or CD/DVD to create the bootable disk.
  • Click Proceed to begin the process after choosing the proper device.

2. Insert the bootable disk of EaseUS Disk Copy to your computer and reboot the boot order in BIOS:

  • Restart your computer and press F2 while booting up PC to enter BIOS.
  • Set the first Boot Device in BIOS as - CD-ROM (bootable CD/DVD) or Removable device (USB bootable disk) and restart the computer.

boot from the bootable CD or USB

3. Choose Start Disk Copy, and select copy mode as Disk Copy, click Next.

select disk copy

4. Select Source disk - the original damaged disk that you want to copy, click Next.

select the source disk

5. Select the destination disk - a new and bigger hard drive, click Next to continue.

select the destination disk

6. Click Proceed to start cloning and restore data from the bad hard drive to the good disk. 

click proceed to replace the disk with bad sectors

7. Wait for the process to complete.

And then shut down your computer, insert the newly upgrade hard drive to your computer and replace the old drive, set the computer to boot from new hard drive instead of the old one in BIOS. Then you can see the precious data you have restored.