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How to use chkdsk in Windows to fix errors on your disk

27 mayo, 2021

All modern and less modern versions of Windows include their own built-in tools to check the health of our drives and correct errors in them: “chkdsk“or bug-checking tool.

If you use Windows 8 or Windows 10, you may never have to use this tool on your own, since in versions after Windows 7, the system does it for you, checking for bad sectors or other errors during automatic maintenanceAnd if you have a hard drive, Windows 10 even performs defragmentation for you.

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Now, depending on the version of Windows you use, and the circumstances, you may ever need to use this tool, it may happen that your disk has errors after incorrectly shutting down the computer, or because of some software or corrupted data.

How to check a drive for errors

Open Windows Explorer and go to the path where your storage units are located, that is to “Computer” or “This computer”. Right click on the unit you want to review and then click on Properties.


In the next window, select the tab Tools and right in the first section, click on the button “Check“for Windows to find out if there are file system errors on that drive. The process is the same for any drive, you can even do it with external drives or pen drives.

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The next thing is to simply wait for the check to finish, depending on the size of the disk, the space it has full, the speed of your computer and other factors, it can take from minutes to hours.

Browse Unit

In fact, in Windows 8 and Windows 10, once you click, the tool will tell you at once if it has detected errors during its automatic checks, but you can start a manual check if you wish.

Examining Unit

If the tool detects any errors in the file system, you will need to restart your computer or schedule a restart in order to fix them.

You can also carry out this process even more simply by entering a command in the terminal or command prompt, as long as you have administrator permissions:


For example, you can do it by opening a PowerShell as Administrator and pasting the command: chkdsk /f C:.

You can substitute “C:” for the letter of the drive you want to check. To run chkdsk from the terminal you must restart the computer at that moment, or schedule check on next reboot. This includes two steps in one, check and fix errors at once.