How to Run CHKDSK Windows 11: A Step-by-Step Guide for Beginners

If you want to ensure your Windows 11 computer is running smoothly and fix any potential disk errors, running CHKDSK (Check Disk) is a great idea. This tool scans your hard drive for errors and repairs them. Here’s a simple guide to show you how to do it.

How to Run CHKDSK Windows 11

Running CHKDSK on Windows 11 helps to maintain your system’s health by fixing disk errors. Below are the steps to run CHKDSK:

Step 1: Open Command Prompt

First, you need to open the Command Prompt as an administrator.

To do this, type "cmd" in the search bar, right-click on ‘Command Prompt,’ and select ‘Run as administrator.’

Step 2: Type the Command

Next, you’ll enter the CHKDSK command.

Type chkdsk C: /f /r and press Enter. This tells CHKDSK to fix errors (/f) and locate bad sectors and recover readable information (/r).

Step 3: Confirm the Scan

CHKDSK might need to schedule the scan for the next restart.

If asked, type Y and press Enter to confirm. Restart your computer for the scan to start.

Step 4: Restart Your Computer

Now, restart your computer.

The CHKDSK scan will run before Windows boots up. This might take some time, so be patient.

Step 5: Review the Results

Once your computer restarts, you can review the results.

Open Command Prompt again and type eventvwr to open Event Viewer. Check under ‘Windows Logs’ -> ‘Application’ for CHKDSK logs.

After running CHKDSK, your computer will scan and repair any disk errors during the next boot-up.

Tips for Running CHKDSK Windows 11

  • Backup Your Data: Always back up important data before running CHKDSK.
  • Be Patient: CHKDSK can take a while, especially on larger drives.
  • Close Applications: Save your work and close all applications before starting, as CHKDSK needs to lock the drive.
  • Use the Right Parameters: Use /f to fix errors and /r to locate bad sectors.
  • Check Logs: Always review the CHKDSK logs in Event Viewer for a detailed report.

Frequently Asked Questions

What does CHKDSK do?

CHKDSK scans your hard drive for errors and attempts to fix them. It ensures the integrity of your file system.

Can I use my computer while CHKDSK is running?

No, CHKDSK needs exclusive access to your drive, so you can’t use your computer during the scan.

How long does CHKDSK take?

The time CHKDSK takes depends on the size of your drive and the number of errors. It can range from a few minutes to several hours.

Is it safe to stop CHKDSK?

Stopping CHKDSK in the middle of a scan can cause data loss or corruption. It’s best to let it finish.

What if CHKDSK finds errors it can’t fix?

If CHKDSK finds errors it can’t fix, it might indicate a failing hard drive. Consider replacing your drive and restoring data from a backup.


  1. Open Command Prompt as administrator.
  2. Type chkdsk C: /f /r and press Enter.
  3. Confirm the scan by typing Y if needed.
  4. Restart your computer.
  5. Review the results in Event Viewer.


Running CHKDSK on Windows 11 is a straightforward way to keep your computer in top shape by fixing disk errors. By following the steps outlined above, you can easily perform this task and ensure your system’s health. Remember to back up your data and be patient, as the process can take some time. For further reading, you might want to explore other maintenance tools available on Windows 11. Happy computing!

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