How to Run Check Disk (ChkDsk) on Windows: GUI, CMD

There are many things that can go wrong while you are using your computer. One of the hardware components could develop a fault or alternatively there could be crashing, instability and other problems with Windows itself. With Windows there are many different methods to try and fix problems including running file checks or applying registry fixes, but there are times when this won’t fix it and something else is the cause.

One of the common issues of instability, errors or Windows not even booting at all is when the file system becomes corrupted which can lead to files becoming unreadable or inaccessible. For a long time, Windows has had a tool built in which is able to scan a flash drive, hard disk or SSD drive for filesystem or hard errors, and attempt to fix them.

Check Disk is the tool in question and often Windows will automatically run a scan using Check Disk on Windows startup if it thinks one is needed. If you want to manually run Check Disk to fix suspected errors, there are a few ways you can do it. Here we show a variety of different methods to get Check Disk running.

1. Third Party Disk Checking Tools

Using a separate program to run a drive scan and fix is not essential but does have some advantages. These include being able to scan several disks one after the other and making it easier for less experienced users to run a scan and optional fix. Here are four that work on Windows 10 and most other recent versions of Windows.

CheckDiskGUI

CheckDiskGUI has all the basic functions needed for running Check Disk from a portable front end. You can select multiple drives along with the standard options of scan only, fix or fix and recover. The column that tells you if Windows has marked the drive as dirty and having a problem is a useful piece of information.

Checkdiskgui

There are some more advanced settings in the Options menu such as rescanning clusters, less vigorous index checks and reading the log from a boot time scan. The log can also be saved or printed from the File menu.

Note: There is a bug when running this tool in Windows 10 that causes the Read Only check to fail. However, running the Fix or Fix and Recover modes will still work as intended.

Download CheckDiskGUI


Check Disk GUI

This small tool is a plugin for the BartPE bootable rescue disk but works perfectly fine as a pure front end for the Check Disk command. It’s simple to use for the average user and far easier than opening and running Check Disk yourself from Command Prompt.

Check disk gui

Download and extract the Zip, then run the small 122KB executable, select the drive to scan and choose the mode. There is scan only, fix errors or fix and recover bad sectors. A command line window will open on the left of the screen to run Chkdsk.exe with the chosen parameters. The Autoit source code is still available for anyone wanting to edit the program for their specific needs.

Download Check Disk GUI


Check Disk

Using the same name for the front end as the Windows tool it runs is slightly confusing but not a major issue. This program is the most recently released of these Check Disk front ends, is portable and has separate 32-bit and 64-bit versions, so make sure you download the correct Zip file.

Check disk

Inside the user interface, the Standard option is a simple check, Thorough would be a fix and recover bad sectors, and the Correct Errors checkbox is the standard fix function (equivalent to /f in ChkDsk.exe). There’s also an option to check if the selected drive is marked as dirty. Multiple drives can be selected at once with drag or Shift/Ctrl+click. Make sure to run the tool as administrator so it can function correctly.

Download Check Disk


Puran Disk Check

Disk Check normally requires installation but you can easily extract the setup file with Universal Extractor. Then simply look in the folder and run either the 32-bit version (Disk Check.exe) or 64-bit version (Additional files\Disk Check,2.exe). They are standalone executables and can be copied to any location.

Puran disk check

The standard options of Scan, Fix or Fix and Recover are available. You can run scans of multiple drives sequentially by ticking multiple boxes or even schedule a fix and recover scan at boot time.

Download Puran Disk Check

2. Run Check Disk From a Bootable Rescue Media

Another way to run Check Disk if you are unable to boot into Windows is loading a Windows based rescue disk. There are several disks around that make use of the Windows Preinstall Environment (Windows PE) where you can load a cutdown version of Windows from a CD/DVD or USB.

Hiren’s BootCD

Hiren has long been one of our favorite repair and recovery bootable discs because of the sheer amount of useful tools available on it. Sadly it hasn’t had an official update since 2012 and newer technologies like UEFI, Secure Boot and GPT cause problems as well as a lack of newer drivers. That said, Hiren’s BootCD is still a highly valuable tool for older computers.

hiren bootcd chkdsk script

When booting the CD you need to run MiniXP which is a live version of Windows XP, this includes both the Command line version of Check Disk, the Windows user interface version and also a batch script which simplifies the command line version. To use the script go to Start > Programs > Check Disk and enter the drive letter from the list of available volumes. The fix and dismount arguments are automatically applied so for a deeper scan one of the other two ways to run Check Disk from MiniXP will be required.

Download Hiren’s BootCD


Hiren’s BootCD PE x64

Although this version of Hiren’s BootCD is hosted on the original website, it’s not actually an official version made by Hiren but more of a fan made version that Hiren has endorsed. It’s based around Windows 10 and was released in 2018. The big advantage is it will run on more recent hardware and supports newer technologies like UEFI. The ISO is around 1.3GB in size so it’s far away from being able to fit on a CD.

Hirens bootcd pe x64

Make sure to have 2GB or more of system RAM for this PE environment to work properly. Once booted, there are a few tools available that we have listed here, such as CheckDiskGUI. There’s also Aomei Partition Assistant, the manual method using Command Prompt, from the Tools tab in Windows Explorer Properties or the LazeSoft Windows Recovery suite (under Repair Tools > Check Partitions or BootCrash > ChkDsk).

Download Hiren’s BootCD PE x64


Gandalf’s Windows PE Disks

The Gandalf Windows PE disks are based on Windows 7, 8.1 or 10. They contain tons of tools and each version is a usable Windows environment direct from DVD or USB. The ISO sizes range from 500MB up to 5GB. Like the modified Hiren’s BootCD PE x64, this will work on more modern hardware.

Gandalf chkdsk

You will need at least 2GB of RAM to run the PE Windows properly. This has the BartPE Check Disk GUI included which can be accessed from Start > All Programs > HD Tasks > Diagnostic. Alternatively, use the Windows Explorer Check option in Properties or open Command Prompt and run Check Disk manually using the standard syntax.

The Gandalf ISOs appear to have been made donationware by the developer and are no longer free to download. However, we have found some slightly older versions of these images available to download for free at the Internet Archive. They’re based on Windows 10 from 2018. Download speed isn’t great but it’s the best free option without using warez or torrent sites.

Download Gandalf’s Windows 10 PE (5.4GB)

Download Gandalf’s Windows 10 PE (3.9GB) Alternative download

On the next page, we’ll look at some more manual methods of running a scan with Check Disk that are built into Windows.

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