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Bad Sector Repair: How to Fix Bad Sectors on HDD in Windows 10/8/7
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To upgrade to the newly released Windows 11, your computer’s boot mode should be UEFI, the disk partition style should beВ GPT, and Secure Boot should be enabled. What if you need to replace a new hard drive or a larger hard drive for Windows 11 update but don’t want to give up the data on the old hard drive?В EaseUS Disk Copy could be a handy tool that helps you through the process.
What to do when aВ hard disk hasВ bad sectors? This guide includes the best solutions to repair bad sectors on hardВ drive and protect your data effectively.
Occasionally, when one or more bad sectors come upon aВ 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. In order to help you performВ bad sectors repair on hard drive and rescue your data as soon as possible, we suggest you follow through with the tips below before you take action to repair bad sectors.
HDD Bad Sector OverviewВ
Before you start, learn the basic information of bad sectors to pick a better solution and remove bad sectors from your drive.
What Is Bad Sector
According to Wikipedia and professional IT sites, the bad sector is defied a permanently managed storage unit on a hard disk. Once the sector gets damaged, all saved information in that section is lost. Usually, the operating system like Windows 10/8/7 will skip the bad sector once it’s found and marked.
Two types of Bad Sectors
Hard bad sector is mainly caused by physical damage (in 1,2 causes), such as manufacturing error, physical broken, etc. While the soft bad sector is usually related to software issues (in the 3rd cause) such as improper operations on hard drive, file system error, etc.
Due to the different causes of bad sectors, the ways to repairing bad sectors are also varied. Continue reading, you will find the best solutions to repair bad sectors on your hard drive in Windows 10/8/7.
How to Check Bad Sectors in Hard Disk on Windows 10/8/7
Although we have explained that bad sectors can be defined as physical and logical bad sectors, you may still don’t know how to distinguish them. Here is a simple rule for you to tell the difference: whether you can check bad sectors on your drive.
If you can run a disk checking andВ get the basic information about bad sectors, it’s highly possible that your drive is having soft bad sectors. If not, the situation will become worse and it could be the hard bad sectors.
Besides, it has comprehensive hard drive partitioning options, such as resize/move partitions, create, merge, format, and wipe partitions. You can also use it to convert FAT32 to NTFS without losing data,В convert MBR disk to GPT disk, or vice versa.В
Step 1. Open EaseUS Partition Master. Right-click the disk that you want to check, and then click «Advanced» > «Surface Test».
Step 2.В The operation will be immediately performed and allВ bad sectors will be marked as red.В
When there are too many bad sectors, the scanning process will be stuck. Wait patiently. After the process, you could know exactly how many bad sectors are there.
How to Fix BadВ Bad Sectors on HDD inВ Windows 10
As youВ know that when the operating system detects bad sectors, it would mark them as unusable no matter it’s logical or physical bad sectors. As a result, data loss and the loss of disk capacity are unavoidable.В Then, how to fix and remove bad sectors from the hard disk? Read on forВ in-depth tutorials.В
First Thing to Do: Back Up and Clone HDD to a Good Hard Drive (Skip Bad Sectors)
If the disk contains many soft bad sectors, always stuck or slow to load data on the computer, or the drive is failing due to physical bad sectors, it is impossible to repairВ bad sectors.В The wise choice is to back up and save your data at first. But how to copy a hard drive with bad sectors?
EaseUS Disk Copy,В a powerful disk cloning software,В can skip the bad sectors and cloneВ disk toВ make a full copy of your hard drive.
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Some key features of EaseUS disk cloning software:
Download and apply this disk copy software to upgrade and clone HDD with bad sectors to a healthy hard drive without effort.
If your computer can’t boot into your operating system,В create a bootable USBВ in advance, and then followВ the steps below to copy your data.В Remember to connect theВ new hard drive to the computer as a storage device.
Step 1: Choose «Disk mode» and select the smaller hard drive as the source disk.
Step 2: Choose the bigger hard drive to save the data and then click «Next».
Step 3: 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.
Step 4: Edit the disk layout and then click «Proceed» to continue.
Step 5: Wait for the process to complete.
When the cloning process finishes, shut down your computer, insert the newly upgrade hard drive into your computer and replace the old drive. If it’s a system drive, set the computer to boot from a new hard drive instead of the old one in BIOS.
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Repair Soft/Logical Bad Sectors in WindowsВ
If your hard drive is experiencing one or more bad sectors, still accessible, follow our instructions to fix your problem and remove bad sectors permanently from hard disk with bad sectors repair tools.В
В 1. Run CHKDSK Command and Format Hard Drive
If there only a few bad sectors on your drive, you can run CHKDSK command and format the drive to repair those bad sectors:
Step 1. Run the CHKDSK command to fix soft bad sectors.
1. Press the Windows key and type cmd.
2. Right-clickВ «CommandВ Prompt»В andВ chooseВ «RunВ asВ administrator».
3. Type chkdsk E: /f /r /x and hit Enter. (Replace E with the drive letter of your hard drive.)
Step 2. Format hard drive to usable again
1. Open Windows File Explorer, locate and right-click on your hard drive.
2. Select «Format», reset the file system as NTFS, tick «Quick Format» and click «Start».
After this, you can save your data back to your hard drive and use it again.
2. Use a free disk check and repair tool to fix bad sectorsВ
EaseUS partition management software offers the simplest methodВ to check and fixВ hard drive errors. You can apply its Check File System option to checkВ and repair hard disk partition errors in Windows 10.
В in Windows 10, 8, or other Windows OS with one-click. Just download and start EaseUS partition management software, locate the hard disk, then run the check file system.
Hard/Physical Bad SectorsВ Repair
Mostly, when your hard drive contains hard bad sectors, you cannot repair bad sectors by using normal solutions. The only possible way is to low-level format the drive, resetting the hard drive blocks, clusters, and sectors.
A low-level format is also called a physical format. Modern hard drives are low-level formatted at the factory for the life of the drive. A PC cannot perform an LLF on a modern IDE/ATA or SCSI hard disk, and doing so would destroy the hard disk. That is to say, you can’t repair a bad sector.
To resolve this issue, you have two choices:
1. Send your hard drive to the manufacturer or a local repair center, customize for low-level format.
2. Choose to clone the disk with bad sectors to a good hard driveВ to avoid the hard disk getting worse with more bad sectors.
Summary of Bad Sector Repair
This page provides the complete guide to help youВ fix bad sectors on HDD. To removeВ bad sectors from hard disk permanently, you can use the Windows CHKDSK command or EaseUS free partitioning software. With theВ two bad sector repair tools, you can efficientlyВ fix and repair bad sectors on the hard drive, external storage devices.
In contrast to logical bad sectors, if there are physical bad sectors on your hard drive, it’s almost impossible to repair your hard disk. You need to replace it with a new hard HDD. So, to avoid data loss,В when you find bad sectors on your disk, be sure to use EaseUS disk clone software to copy and make a backup of your data.В
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More Information About Bad Sectors
Some people may also have questions about diagnosing if bad sectors are on your drive. You may judge from the following two factors:
1. What are the symptoms of bad sectors?
When you meet one of the following symptoms, your hard drive or external storage devices may contain bad sectors:
2. What are the causes of hard bad sectors?
1. Hard drive was shipped from the factory with bad sectors. (e.g. SSD disk)
2. Physical damage, like:
3. What are the causes of soft bad sectors
4. How to avoid bad sectors?
Some of you may also want to know how to protect the drive from bad sector errors. Here are some tips: