What does CHKDSK /F /R do? This article will explain how to use CHKDSK to fix hard drive errors on Windows 10/8/7. Read on for a complete guide.

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Workable Solutions Step-by-step Troubleshooting
What is CHKDSK command? CHKDSK (Check Disk Utility) is used to check and correct errors on the specified disk. You can run it from Command Prompt or PowerShell...Full steps
What do CHKDSK /F /R /X mean? CHKDSK /F repairs disk errors. CHKDSK /R performs the same function as /F, but also scans for bad sectors on the disk and recovers readable information...Full steps
CHKDSK Alternative - Use a partition tool to fix disk errors (1 Step) Download a free partition tool and use it to check and repair corrupted file systems with just a few clicks. No need to manually enter commands...Full steps
Manually run CHKDSK Execute CHKDSK /F /R /X through Command Prompt, PowerShell, or via the Properties window...Full steps

The CHKDSK command is a built-in utility in Microsoft Windows operating systems that stands for "Check Disk." It is designed to examine and repair file system errors, bad sectors, and other issues on a hard drive or other storage devices. The command checks the integrity of the file system and the physical disk, ensuring that all components are functioning correctly. CHKDSK can be run in different modes, depending on the parameters used. By default, it checks for file system inconsistencies when the computer is idle, but it can also be forced to run immediately with administrative privileges. It can fix errors, recover lost data, and report on the overall health of the disk. To execute the CHKDSK command, open the Command Prompt as an administrator and type: ``` chkdsk [drive_letter:] [/f] [/r] [/x] ``` Here's what each parameter does: - `[drive_letter:]` – Specify the drive you want to check (e.g., C:). - `/f` – Fixes any file system errors found. - `/r` – Locates bad sectors and recovers readable information. - `/x` – Forces the volume to dismount before running the check. This is necessary if the drive is in use. It's important to note that CHKDSK may take some time to complete, especially on larger drives. Additionally, if the drive is currently in use, you might need to schedule the check for the next boot by using the `/f` and `/r` parameters without `/x`.

In computing, CHKDSK (short for "check disk") is a system utility and command in DOS, Digital Research FlexOS, IBM/Toshiba 4690 OS, IBM OS/2, Microsoft Windows, and related operating systems. It checks the file system integrity of a volume and tries to repair logical file system errors. - as described by Wikipedia

Image of CHKDSK

CHKDSK, also known as Microsoft Check Disk, is a utility that can be utilized in virtually all Windows versions. The CHKDSK command is employed to comprehensively scan your hard drive to identify and rectify any errors. For instance, if your computer becomes unresponsive or you're unable to access a specific disk due to a corrupted file system, you can use the CHKDSK commands to inspect and repair the drive issues.

Running CHKDSK /f /r /x commands can be challenging for novices. Therefore, for beginners, a professional alternative is recommended. You can easily check your disk for errors, bad sectors, and file system issues without using any commands. Click the blue button to get the CHKDSK alternative - Partition Master.

What Does the CHKDSK /F /R /X Command Mean?

Here it is in English: Image of CHKDSK

What is CHKDSK /F /R /X? The primary purpose of CHKDSK /F /R /X is to examine the integrity of the file system and file system metadata on a disk volume and rectify any logical file system errors it discovers. Additionally, CHKDSK can also be employed to identify bad sectors on the target disk resulting from physical damage, and it automatically corrects these issues as well.

CHKDSK /F vs CHKDSK /R vs CHKDSK /X: What's the Difference?

CHKDSK can address two categories of disk issues: logical errors and physical errors. Depending on the type of disk error, you can employ various CHKDSK commands and options to rectify hard drive issues. The most frequently used CHKDSK commands are CHKDSK /F, CHKDSK /R, and CHKDSK /X. What distinguishes CHKDSK /F, /R, and /X?

    Here are the translations for the provided text: 1. CHKDSK /F: Checks for disk errors but not bad sectors. 2. CHKDSK /R: Locates bad sectors on the target hard disk and attempts to recover readable information from them (includes /F). 3. CHKDSK /X: Forces the volume to dismount first, if needed, and also includes the functionality of /F.

When should you use chkdsk /f, chkdsk /r, and chkdsk/x? If you want to view existing errors, use the CHKDSK /f command. If you want to recover readable information from bad sectors, use CHKDSK /R. And if you need to dismount a problematic disk, use CHKDSK /X.

If you find the information about CHKDSK provided above helpful and it has helped you have a better understanding of CHKDSK command lines, please share this guide to help more people around you!

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What Do Each CHKDSK Parameters Mean? Here Are the

The syntax for the CHKDSK command is:

chkdsk volume /f /v /r /x /i /c

When used without any parameters, CHKDSK will only display the status of the volume and will not correct any errors. When used with the parameters /f, /r, /x, or /b, it will fix errors on the volume. Here are some commonly used CHKDSK parameters and their meanings: - `/f`: This parameter tells CHKDSK to fix any file system errors it encounters during the scan. - `/r`: With this parameter, CHKDSK will attempt to locate and repair bad sectors on the disk, recovering readable information. - `/x`: This option forces the volume to be dismounted before running CHKDSK. It ensures that no other processes are using the volume while it's being checked. - `/b`: This parameter is used to remove bad clusters from the volume and reallocate them. It's typically used when the volume has detected bad sectors. These are just a few of the available CHKDSK parameters. There are others that can be used for more specific tasks, such as `/i` for a less thorough check on NTFS volumes or `/c` to skip the verification of file data. Always refer to the official documentation for the most up-to-date information on CHKDSK parameters.

Parameters

Here's the translation of the table into English:
Parameters Details of the Parameters
/f Fixes errors on the disk. The disk must be locked. If CHKDSK cannot lock the drive, a message appears asking if you want to check the drive the next time you restart the computer.
/r Locates bad sectors and recovers readable information. The disk must be locked. It includes the functionality of /f, with additional analysis of physical disk errors.
/x Forces the volume to dismount first, if necessary. All open handles to the drive are invalidated. It also includes the functionality of /f.
/b NTFS only. Clears the list of bad clusters on the volume and rescans all allocated and free clusters for errors. It includes the functionality of /r. Use this parameter after imaging a volume to a new hard disk drive.
/v Displays the name of each file in every directory as the disk is checked.
/scan NTFS only. Runs an online scan on the volume.
/i NTFS only. Performs a less rigorous check of index entries, reducing the time required to run CHKDSK.
/c NTFS only. Does not check cycles within the folder structure, reducing the time required to run CHKDSK.

Run CHKDSK /F /R /X Alternative Tool to Fix and Repair Disk Errors This is an alternative tool to fix and repair disk errors using the CHKDSK command with the parameters /F, /R, and /X in English: 1. Open the Command Prompt as an administrator. To do this, right-click the Start button, and select "Command Prompt (Admin)" or search for "cmd" and right-click the Command Prompt app, then choose "Run as administrator." 2. In the Command Prompt window, type the following command and press Enter: ``` chkdsk /F /R /X ``` Here's what each parameter does: - `/F`: Fixes any file system errors it finds. - `/R`: Locates bad sectors and recovers readable information. - `/X`: Forces the volume to dismount first if necessary. All open files will be closed. 3. You might receive a message asking if you want to schedule the check for the next boot. Type `Y` and press Enter to confirm. 4. Restart your computer. The CHKDSK utility will run automatically during the startup process, scanning and repairing disk errors. 5. After the process completes, your computer will boot normally. Check for any error messages or notifications indicating that the disk was successfully repaired. Remember that running CHKDSK with these parameters can take a while, especially on larger disks, so be patient during the process.

If you're not tech-savvy and know little about computers, we highly recommend trying a professional CHKDSK alternative tool - tools Partition Master to fix hard drive errors efficiently. It serves as a reliable disk management tool, eliminating the need for manual command typing.

The partition tool makes it effortless to repair disk errors. Here are the steps to check and repair your file system error: 1. Launch the Partition Tool: First, you need to access the partition management software on your computer. This could be the built-in Disk Management utility on Windows or a third-party application like tools Partition Master, MiniTool Partition Wizard, or AOMEI Backupper. 2. Select the affected partition: In the partition tool, identify the partition with the file system error. It might show an error message or have an abnormal status, such as "Healthy (with errors)" or "Unknown." 3. Check for errors: Look for an option like "Check File System," "Check Disk," or "Error Checking." Click on it to initiate the process. On Windows, you can right-click the partition and choose "Properties," then navigate to the "Tools" tab and click "Check." 4. Start the scan: The tool will prompt you to confirm the action. Depending on the software, you might have the option to repair errors automatically or choose a more in-depth scan. Confirm the selection and start the scan. 5. Wait for the process to complete: Scanning and repairing disk errors can take some time, especially if the partition is large. Be patient and do not interrupt the process. 6. Review the results: Once the scan is finished, the tool will display any issues found and whether they were successfully repaired. If the issue persists, consider using a more advanced recovery tool or seeking professional assistance. 7. Restart your computer: To ensure that the changes take effect, restart your computer. Your file system should now be error-free, and you can access your files normally. Remember that prevention is key, so regularly back up important data and keep your system updated to minimize the chances of encountering file system errors.

Step 1. Open tools Partition Master on your computer. Then, locate the disk, right-click the partition you want to check, and choose "Advanced" > "Check File System".

Select Check Partition

Step 2. In the Check File System window, select the "Try to fix errors if found" option and click "Start".

Check the pop-up instructions: check the pop-up instructions

Step 3. The software will begin checking your partition file system on your disk. When it completes, click "Finish".

Finish the partition check

Fixing disk errors and repairing internal file system issues with Partition Master is incredibly simple. It's one of the best repair tools for hard drives, particularly the top-notch Toshiba External Hard Drive Repair Tool and Seagate Hard Drive Repair Tool. Share this tip to assist more of your friends in rescuing their troubled storage devices:

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How to Run the CHKDSK /F /R /X Command to Fix Disk Errors on Windows 10/8/7

If you don't want to use the simple third-party CHKDSK utility, you can run CHKDSK in a more complicated way via 3 methods: using Command Prompt, Windows PowerShell, and the disk checking tool.

1. Run CHKDSK in Command Prompt

When you find your hard drive performing poorly or Windows prompts you to fix drive errors, you can try running CHKDSK to help. Here's how to run CHKDSK /f on Windows 10/8.1/8/7.

Use CHKDSK /F /R on Windows 10

Note: If you're unable to boot into Windows 10 to run CHKDSK, use 5+ methods to fix the UEFI boot issue in Windows 10.

Step 1. Press the Windows key and type cmd. This translates to: Step 1. Press the Windows key and type 'cmd'.

Step 2. Right-click "Command Prompt" and select "Run as administrator".

Step 3. Type the following command and press Enter: chkdsk C: /f /r /x. Replace "C" with the drive letter of the partition you want to fix.

Run CHKDSK

Please do not interrupt CHKDSK, wait patiently for the process to complete.

In addition to using CHKDSK to fix disk errors, you can follow these tutorials to learn more details about this command:

Run CHKDSK on Windows 8.1/8

Here are the instructions to run the utility from Command Prompt for Windows 8.1/8 users: 1. Press the 'Windows Key' + 'X' on your keyboard simultaneously. 2. From the menu that appears, select 'Command Prompt (Admin)' or 'PowerShell (Admin)' if you prefer using PowerShell. This will open the Command Prompt or PowerShell with administrative privileges. 3. Once the Command Prompt or PowerShell window is open, type the following command, replacing "utility_name.exe" with the actual name of the utility you want to run: ``` utility_name.exe ``` 4. Press 'Enter' to execute the command. 5. The utility should now start running. Follow any additional prompts or instructions as needed. Remember to replace "utility_name.exe" with the specific executable file name of the utility you're trying to run. If you're unsure about the name, navigate to the location of the utility file, and check its name before executing the command.

Step 1. Press the Windows and C key to open the Charm bar.

Step 2. Select "Search" and type cmd.

Step 3. Right-click on "Command Prompt" and select "Run as administrator."

Step 4. When Command Prompt launches, type the command below and press "Enter": chkdsk E: /f /r /x.

run chkdsk command in windows 10 command prompt

Run CHKDSK on Windows 7 using Command Prompt

If you're a Windows 7 user, you can run the CHKDSK command by following these steps:

< strong > Step 1. < /strong > Click "Start". Type cmd in the search box.

Step 2. Right-click on cmd.exe and select "Run as Administrator". Enter your Administrator password if prompted.

Step 3. When cmd.exe opens, type the command below and press "Enter": chkdsk c /f /r.

If you receive the "Chkdsk cannot run because the volume is in use by another process" message, type Y to restart the computer and let the utility run a scan during the next PC startup.

Extended Reading:

If you're seeking guidance to run CHKDSK for checking and fixing disk errors on Windows 11, refer to this recommended guide page, and you'll learn the process step-by-step.

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Check and Fix Disk Errors in Windows 11

Are you trying to check disk errors in Windows 11? If so, you might require guidance on how to examine and resolve disk errors in Windows 11. We've gathered the best methods for you.

Fix disk error

2. Use CHKDSK/F/R in Windows PowerShell

If the Command Prompt is not working in Windows 10, you can also run the CHKDSK /F or /R command in Windows PowerShell to fix hard drive errors.

Step 1. Click the Search button and type PowerShell.

< strong >Step 2. Right-click PowerShell and select Run as administrator.

Step 3. Type chkdsk c /f /r to start fixing disk errors. Replace C with the drive letter of the target disk.

chkdsk /f /r

3. Run CHKDSK Alternative - CheckDisk in Properties Window

Running the Check Disk tool from the Windows desktop is easy. Follow the steps below to run CHKDSK in Windows 10. It works the same way on Windows 8 and Windows 7.

Step 1. Open File Explorer and go to This PC > right-click the HDD/SSD you want to scan > choose "Properties".

Step 2. Under the Tools tab, click the "Check" button under the Error-checking section.

Step 3. Next, you can opt to Scan Drive if you want or Repair Drive if errors are found.

Step 4. When the scan is complete, click the Show Details link to view the CHKDSK log in the Event Viewer.

run chkdsk in this pc on Windows 10

Conclusion

Whenever you encounter hard drive errors or corrupted files, CHKDSK can be a lifesaver. You can utilize the built-in disk error checker in every Windows version, following the comprehensive guide provided above.

Or you can use the ultimate disk management tool – tools Partition Master to fix and organize your hard drive to boost system performance easily.

Frequently Asked Questions About CHKDSK /F /R That You Might Find Interesting

You may encounter CHKDSK related problems; what to do then? Here are the common issues of CHKDSK errors; read on to figure out the solutions. You might come across CHKDSK issues; what should you do? This article outlines typical CHKDSK errors and offers solutions – keep reading to learn more.

1. Is CHKDSK R safe?

It's safe to run the CHKDSK /R command under normal conditions as long as you're employing the correct syntax. CHKDSK offers various parameters; you can examine the CHKDSK parameters and select the one most appropriate for your issue to rectify disk errors.

2. How long does chkdsk /f /r take? This depends on various factors such as the size of the hard drive, the number of files and folders on it, and the extent of any disk errors. Generally, chkdsk with the /f and /r switches, which repair file system errors and scan for physical disk errors, can take several hours. If there are a large number of bad sectors or a significant amount of data to be checked, it might take even longer. It's best to run this utility when you have a substantial amount of time, and it's recommended to do it during off-peak computer usage hours.

It depends on the specific situation.

    Here are the translations for the given language fragments: 1. `
  • chkdsk -f should take under an hour on that hard drive.
  • ` `
  • chkdsk -f should take less than an hour on that hard drive.
  • ` 2. `
  • chkdsk -r will take some time. It could take over an hour, maybe two, three, or more, depending on your partitioning.
  • ` `
  • chkdsk -r will take a while. It might take more than an hour, possibly two, three, or even longer, depending on your partition setup.
  • ` These translations maintain the meaning of the original text and provide a clear understanding in English.

You can interrupt the scan, though it's not recommended. Canceling or interrupting CHKDSK shouldn't make the volume any more corrupt than it was before CHKDSK ran. You can start it again, and it will check and fix any remaining corruption on the volume.

< strong >3. What to do when CHKDSK is stuck or frozen?< / strong >

    Here are the translations in English:
  • Restart your computer.
  • Press Esc or Enter to stop chkdsk from running.
  • Run the Disk Cleanup utility to remove junk files.
  • Open an elevated Command Prompt, type sfc /scannow, and press Enter to run the System File Checker.
  • Restart and exit chkdsk again during startup by pressing Esc or Enter.
  • Open Command Prompt as an administrator, type Dism /Online /Cleanup-Image /RestoreHealth, and press Enter to repair the Windows image.
  • Run CHKDSK again.

This time, the scan should be able to complete.

< strong >4. CHKDSK /F /R VS CHKDSK /R /F on Windows< /strong >

What's the difference between the CHKDSK /F /R and CHKDSK /R /F commands on a Windows computer?

There's not much difference between chkdsk /f /r and chkdsk /r /f. The only difference lies in the sequence of the two parameters /f and /r. /f stands for fixing errors on the target disk, while /r means to locate bad sectors and recover readable information. Generally, the proper syntax is chkdsk /f /r. Ideally, when unsure if the target drive has bad sectors, it's recommended to run the comprehensive CHKDSK command: chkdsk /f /r /x altogether.