Here are the steps to check and repair bad blocks on hdd/usb/sd using chkdsk cmd/powershell in Windows 11/10/8/7 or server 2008 2012 2016 2019 2022.
Here are the steps to run chkdsk with Windows built-in tool for bad sectors repairing on Windows computers.
Step1. Search This PC and open it to show all disk drives. Or you may double clicking THIS PC on your desktop to open it.
Step2. Right click the disk drive, usb, or sd card that you want to repair and go to Properties in the option window.
Step3. Click Tools tab and then click Check now...
Step4. Click Scan Drives to check errors and repair bad sectors on your hdd/sd/usb.
To run chkdsk in command prompt, follow these steps:
Video: how to use chkdsk to mark and repair bad sectors (and how to use chkdsk /f or chkdsk /r)
chkdsk /f and chkdsk /r are both commands used to check and repair issues on a hard drive, but they have slightly different functions.
chkdsk /f is used to check for file system errors on the hard drive and attempt to fix them. It scans the file system for errors such as bad sectors, lost clusters, cross-linked files, and directory errors. If it finds any errors, it will attempt to fix them automatically.
On the other hand, chkdsk /r includes all the functionality of chkdsk /f but also includes an additional step where it scans the entire hard drive surface for bad sectors and attempts to recover any readable data from those sectors. This process is more time-consuming than chkdsk /f, as it has to scan the entire hard drive. If chkdsk /r finds any bad sectors, it will attempt to repair them and recover any readable data.
In summary, chkdsk /f is used to fix file system errors, while chkdsk /r is used to fix file system errors and repair bad sectors on the hard drive. If you suspect that your hard drive has physical damage, it's best to use chkdsk /r. However, if you just want to check and fix file system errors, chkdsk /f is sufficient.
Here is a list of common chkdsk commands and their descriptions:
These are just a few examples of the many chkdsk commands available. It's important to use the appropriate command based on your specific situation to ensure the most effective and efficient disk check.
IM-Magic Partition Resizer, the better and easy to operate free tool is provided by IM-Magic Inc. It can do not only disk repairing but also other disk management tasks such as redistribute disk space without losing data, clone disk, copy partition for backup, defragment, convert partition logical/primary; convert partition fat32, convert disk mbr/gpt etc.
Here are the steps to repair disks using the free tool:
For Windows 11/10/8/7/Vista/XP/2000 ==> Download IM-Magic Partition Resizer Free (100% free)
For Windows Server All versions ==> Download IM-Magic Partition Resizer Server (free trial)
Step1. Download, install and open the free tool. Right click the partition and select "Check Partition" option.
Step2. Select the options to check the selected partition and click "OK" button.
CHKDSK (short for "check disk") is a built-in tool in Windows operating systems that can help you detect and repair file system errors, such as bad sectors on a hard drive. However, whether CHKDSK can repair bad sectors depends on the severity of the damage.
When a bad sector is found on a hard drive, CHKDSK can mark the sector as bad and prevent any data from being written to it in the future. This can help prevent further damage to the hard drive, but it doesn't actually repair the bad sector.
In some cases, CHKDSK may be able to recover data from a bad sector by moving it to a good sector. However, if the damage is severe, the data may be lost and the bad sector may need to be replaced.
It's important to note that if your hard drive has a large number of bad sectors, it may be a sign of a more serious problem, such as a failing hard drive. In such cases, it's recommended to backup your data immediately and consider replacing the hard drive to avoid losing your data permanently.
Some of the possible errors that you may encounter when running CHKDSK include:
It's important to note that if you encounter any errors while running CHKDSK, it's best to seek the assistance of a professional or experienced user to help you diagnose and resolve the issue to avoid further data loss or drive damage.
Updated on March 15, 2023