3 Ways  to Fix “CHKDSK is not available for RAW Drives” Error


Summary: This article is going to explain to you the steps that can help eliminate the error “CHKDSK is not available for RAW Drives”. Follow the below steps to get rid of the issue.

At the onset, it is important to know what are CHKDSK and Raw Drives. CHKDSK stands for “Check Disk”, it is a command that runs in Command Prompt to validate the system’s integrity. The prime function of CHKDSK is to check for the errors in a disk and then fix them up.  RAW Drive is a hard drive partitioning, which implies that the Windows Operating System does not recognise the file system.

CHKDSK is not available for RAW drives

The error message “The type of the file system is raw, CHKDSK is not available for RAW Drives” is displayed when you run the command “CHKDSK” over raw USB flash drives, raw hard drives, raw pen drives and raw SD cards etc. when they are not working the way they are meant to work or simply when damaged.

What causes to give an error “CHKDSK is not available for RAW Drives”?

First of all, CHKDSK is found in all the versions of Windows like Windows XP, 7, 8 and 10. This error message in Windows often appears due to corrupted or damaged disk because of:

  • Unsafe ejection of a disk or a drive.
  • An antivirus attack.

Additionally, some of the common scenarios associated with RAW Drives are:

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Possible ways to fix the error message stating “CHKDSK is not available for RAW Drives”

Given below are some of the solutions to fix “CHKDSK is not available for RAW Drives” for Windows XP, 7, 8 and 10.

Solution 1:  Error Checking

Step1:  Enter “My Computer/This PC” and right-click on the RAW drive.

Step2:  Turn to Tools page and then Click “Check” from the Error-checking section.

Drive Error Checking

Step3. Wait for the system to scan your drive and then fix the CHKDSK is not available for RAW Drives without formatting.

Solution 2: Reformatting

It is the best solution when the RAW drive does not contain any critical data, and you don’t mind formatting it.

Step1: Press WIN key + R and type “Diskmgmt.msc” to run the Disk Manager,  and then right-click on the RAW Drive.

Step2: Select the option “Format”.

Step3: Now, choose the option “NTFS File System” and change it to other information (format options, volume label and allocation unit size).

Step4: After this, click on the “Start” button to reformat RAW Drive to NTFS.

What if you do have the vital data stored on the drive and you don’t want to lost them by formatting the disk, how can we retrieve inaccessible data? Don’t worry, we are having below methods to get back your data first and then fix the error.

Solution 3: Fix using Command Prompt

Recover Data without Format

Before you go ahead with this option to fix “CHKDSK is not available for RAW Drives”, it is advisable to recover important data from the RAW Drive. A free data recovery software will make the fix even simpler as there will be no risk of losing the precious data. Therefore, we would recommend using “Bitwar Data Recovery” software due to high reliability and safety for your data.

Let us first see the steps to recover data using Bitwar Data Recovery Software:

  1. Download Bitwar Data Recovery Software for both Mac and PC. After downloading, install the software on the system.
  2. Launch the software and click on the Drive this showing as NTFS_RAW. (RAW is the current status of your drive, and NTFS is the drive’s former type of file system). Hit “Next” to continue.Recovery RAW Drives
  1. Check on “Quick Scan” mode to recover lost files from the RAW partitioning or device, and then select the file types you want to recover.
  2. While the process of scanning, click on the option “Preview” to generate thumbnails for each file to confirm the files are still functional, if yes, hit on the Recover button to get back the files.

Read More: How to Stop Windows Detected a Hard Disk Problem

Tips: Our Software can detect the former file system of the RAW drives so that you can perform the Quick Scan to retrieve the lost data with its original file name and folder struction.

After getting back the data you want, it’s time to rescue the RAW drive with certain command prompt. (Tips:  Reformat the RAW drive is also another option for you if you are not familiar with Diskpart).

Fix CHKDSK is not Available for RAW Drives using Diskpart

Go ahead with the standard procedure as below:

Step1: Go to “Start” and type “cmd” in the search field to launch Command Prompt.

Step2: Now, right click on “cmd.exe” and select the option “Run as Administrator”.

Step3: In this step, type in “diskpart” in order to open “diskpart command prompt”.

Step4: Once “diskpart command prompt” is opened, type “list volume” and hit enter. This will display all the volumes.

Step5: After this, type in “select volume n” and press enter. This will let you choose the volume to be formatted. (N stands for the drive number)

Step6: Now, input “format fs=ntfs quick” command and press on Enter. The RAW Drive will get converted to NTFS after formatting is done.

Diskpart format

NOTE: In case, “diskpart” command and Windows are not able to format the RAW Drive, then you can try to check this article: DISKPART has Encountered an Error Access is Denied


“CHKDSK is not available for RAW Drives” error occurs when the RAW Drive, RAW Flash Drive, and RAW Pen Drive, etc. are altered or damaged and deviated from functioning normally.

We have listed some of the solutions to fix this error. But, following these solutions will lead to loss of data. Therefore, making it highly imperative to restore that data somewhere else first and then move forward with the steps to eliminate the problem.

There are a variety of software and tools in the market which can help to restore data — as per our suggestion using “Bitwar Data Recovery Software” is the best way out as this software is 100% efficient, secure and clean.

Our “Bitwar Data Recovery software” has a user-friendly interface, which makes it one of the simplest tools for recovery-related concerns. Follow this user guide to mitigating recovery related issues with the effortless and result oriented Bitwar Data Recovery software.

Download for PCDownload for Mac

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