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A Comprehensive Guide to Executing CHKDSK on Windows 10 Before Boot
A Comprehensive Guide to Executing CHKDSK on Windows 10 Before Boot


Ensuring the optimal performance and stability of your Windows 10 system is crucial, and one essential tool in your maintenance toolkit is CHKDSK. This guide will walk you through the process of running CHKDSK before booting up your computer, helping you address potential disk-related issues effectively.

Step-by-Step Instructions:

  1. Accessing Advanced Startup Options: Begin by restarting your Windows 10 computer. During the startup process, press the necessary key to access the Advanced Startup Options. This step may vary depending on your device’s manufacturer.
  2. Navigating to Command Prompt: Once in the Advanced Startup Options menu, select “Troubleshoot” and then “Advanced options.” From there, choose “Command Prompt” to open a command line interface.
  3. Identifying the Drive: Use the command prompt to identify the drive you want to check. Enter the command “chkdsk C:” (replace “C” with the appropriate drive letter) to initiate the process.
  4. Running CHKDSK with Parameters: To perform a thorough check and fix any detected errors, use the command “chkdsk /f /r C:” (again, replace “C” with the relevant drive letter). The “/f” parameter fixes errors, while “/r” locates and marks bad sectors.
  5. Scheduling CHKDSK for the Next Restart: If the drive is currently in use and cannot be locked, the system will prompt you to schedule CHKDSK for the next restart. Confirm this action by typing “Y” and pressing Enter.
  6. Restarting Your Computer: Reboot your computer to initiate the CHKDSK process. The tool will run before the operating system loads, allowing it to scan and repair the selected drive without interference.


Regularly performing disk checks using CHKDSK is a proactive approach to maintaining your Windows 10 system’s health. By following these step-by-step instructions, you can ensure that potential disk-related issues are addressed before they escalate. Keep your system running smoothly by incorporating this essential tool into your routine maintenance.

Tags: Windows 10, CHKDSK, Disk Check, System Maintenance, Advanced Startup Options, Command Prompt


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