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How to Repair A Bad Sector in Windows 10/8/7?

Updated on Dec 28, 2018 by Brithny to Disk/Partition Clone

What is the best way to fix or repair bad sectors on the hard disk in Windows 10/8/7? This page offers you the best solutions to fix bad sectors issue and shows you how to replace a disk with bad sectors.

What to do when a hard disk has bad sector problem in Windows 10/8/7?

Occasionally, when one or more sectors come up on a good hard disk, the disk will go bad. When this happens, the data in those bad sectors may be lost, but the data on the rest of the disk will be unaffected and the disk is still completely usable. Those bad sectors cannot be repaired, but they can be marked as unusable. Once marked as unusable, the Operating System will know not to attempt to store data in those bad sectors. The total disk capacity will be decreased by the amount of storage space in those bad sectors. If the bad sector was caused by a faulty drive head, the problem can spread to many other sectors across the disk.

So, if your hard drive is experiencing one or more bad sectors, follow our instruction to fix your problem as soon as possible.

How to fix/repair/remove bad sectors in Windows 10/8/7?

If your hard disk has bad sectors, you need to know the situation of your hard disk. If the disk is damaged bad enough you'd better replace the disk with a good one.

Part 1. Check Your Partition and Repair the Bad Sectors

To know about the amount of the bad sectors clearly, a professional tool is recommended. EaseUS Partition Master can directly help you check the bad sectors from the hard disk in Windows 10/8/7 with simple clicks and you may download it and follow the steps below to try now.

Check Your Partition

1. Launch EaseUS Partition Master and right-click the partition that you want to check by clicking "Check partition".

2. Choose the way that you want to use to check partition: Check Partition Properties, Call Windows Chkdsk to fix errors, Surface Test. Click OK

3. Let EaseUS Partition Master automatically check hard disk partition errors for you. Click OK to finish the process.

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

The following steps may cause data loss, you'd better backup your important data to avoid data loss!


Manually fix/repair bad sectors with Windows built-in bad sector repair tool

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 sector 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 Repair a Bad Sector in Windows XP?

  • Close all programs and files > Open My Computer;
  • Choose a hard drive and right-click on it > Select Properties;
  • Click Tools under Properties > Click Check Now in Error-checking section;
  • Choose Check Disk options to check and repair bad sectors: Automatically fix file system errors and click Start;
  • If an error message pops up, asking you if you'd like to schedule the disk check when you restart the computer, click Yes to restart the computer and repair bad sectors;
  • Review the check disk report: 0 means no errors were found, 1 means that errors were found and fixed.

Part 2. Replace the Disk with a Good One

If the disk is badly damaged that it is impossible to repair the bad sectors, your wise choice is to replace the disk. 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 to a good one with ease now.


EaseUS Disk Copy

Replace the Disk with a Good one


Get It Now



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.

If your computer can't boot into your operating system, you must download this software and create a bootable USB. Then you can follow the steps below:

1. Choose "Disk mode" and select a source disk, then click “Next”.

enter the disk mode and select the source disk that you want to copy data.

2. Choose a destination disk to save the data and then click “Next”.

choose a place to save your data and the destination must have enough space

A warning message tells you that the data on the destination disk will be overwritten. Click “OK” to continue if you do not have important data on the destination disk.

the old data on the destination will be erased

3. Edit the disk layout and then click “Proceed” to continue.

edit the disk layout and then clik proceed to continue

  • Autofit the disk” resize the layout on destination disk according to the size of it to make the disk as the best status.
  • Copy as the source” doesn’t change anything on destination disk and the layout is same as source disk.
  • Edit disk layout” allows you to manually resize/move partition layout on this destination disk.

4. Wait for the process to complete.

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.