Running CHKDSK on Startup in Windows 10
Running the CHKDSK (Check Disk) utility on startup in Windows 10 can help you identify and fix disk errors on your hard drive. Here’s a quick guide: Open Command Prompt as an administrator, type "chkdsk C: /f /r" and press Enter. Then, restart your computer. CHKDSK will run during startup and check your disk for errors, repairing any it finds.
Step-by-Step Tutorial: Running CHKDSK on Startup in Windows 10
By following the steps below, you will set up your computer to run the CHKDSK utility automatically on startup. This is useful for fixing disk errors and improving performance.
Step 1: Open Command Prompt as Administrator
Right-click the Start button and select "Command Prompt (Admin)" or “Windows PowerShell (Admin).”
Administrators have higher privileges which are required to run certain commands. Opening Command Prompt this way ensures you can execute the necessary operations without restrictions.
Step 2: Type the Command
In the Command Prompt window, type “chkdsk C: /f /r” and press Enter.
The "C:" specifies the drive you want to check, "/f" fixes errors on the disk, and "/r" locates bad sectors and recovers readable information. This command sets CHKDSK to run on the next reboot.
Step 3: Confirm the Disk Check
When prompted, type “Y” to confirm that you want to schedule the disk check the next time your system restarts.
Typing "Y" schedules the disk check. This ensures the utility runs before Windows loads, allowing it to access and repair files without interference.
Step 4: Restart Your Computer
Close Command Prompt and restart your computer.
Restarting your computer triggers the scheduled CHKDSK operation. CHKDSK will start before Windows boots up, ensuring a thorough check and repair process.
Step 5: Wait for CHKDSK to Complete
Let CHKDSK run its course. This could take some time, depending on the size and condition of your disk.
Patience is key here. CHKDSK will inform you of its progress and any issues it finds. Do not interrupt this process, as it could lead to further complications.
Once CHKDSK completes, your system will boot into Windows 10 as usual. You may see a summary of the checked files and any repairs made. If there were significant issues, you might notice improved performance. If the disk errors were severe, CHKDSK will have moved or recovered data from bad sectors.
Tips for Running CHKDSK on Startup in Windows 10
- Always back up your data before running CHKDSK, just in case something goes wrong.
- Run CHKDSK periodically to keep your hard drive in good health.
- If CHKDSK finds bad sectors, consider replacing your drive, as this could be a sign of impending failure.
- Use "/scan" instead of "/f" if you want a quicker scan without fixing errors.
- Keep your system drivers up-to-date to ensure the best performance and compatibility when running diagnostic tools like CHKDSK.
Frequently Asked Questions
What does CHKDSK do?
CHKDSK checks for and fixes disk errors, including bad sectors and file system issues.
Is it safe to run CHKDSK on an SSD?
Yes, but use it sparingly. While CHKDSK can help, SSDs have a limited number of write cycles.
How long does CHKDSK take?
The time varies by disk size and condition; it could take from minutes to hours.
Can I stop CHKDSK once it starts?
It’s not recommended, as interrupting CHKDSK can lead to further disk corruption.
What do I do if CHKDSK finds bad sectors?
Backup your data immediately, as bad sectors can indicate a failing drive.
Summary of Steps
- Open Command Prompt as Administrator.
- Type the command “chkdsk C: /f /r”.
- Confirm the disk check by typing “Y”.
- Restart your computer.
- Wait for CHKDSK to complete.
Conclusion
Running CHKDSK on startup in Windows 10 is a simple yet powerful way to maintain your computer’s health. By following the steps outlined above, you can ensure that your hard drive is free from errors and running efficiently. Remember, keeping your disk in good condition can prevent data loss and improve overall system performance. If you encounter persistent issues or bad sectors, consider seeking professional help or replacing your hard drive. Regular maintenance using tools like CHKDSK can keep your system running smoothly, just like a car benefits from regular oil changes and check-ups. Happy computing!

Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.