CHKDSK is Not Available for RAW Drives - Bring RAW Drive Back to Life by iCare

chkdsk not available for raw


The Type of the File System Is RAW CHKDSK is not available for RAW drives".

"CHKDSK is not available for RAW drives" is an error message, which often appears when you run CHKDSK on RAW hard drive, raw USB external hard drive, raw pendrive, flash drive or raw memory card (SD, micro SD, SDHC, SDXC, MiniSD, CF card...) when they are damaged for some reason like virus attack/unplug without safe removal mode...

This article provides two parts

  • How to access the inside files
  • How to repair raw drive


Please do not make any change on the raw digital device if there were important files stored on the digital media. Recover data from raw drive at first!

Solution for CHKDSK Not Available for RAW Drives

Solution Step1. Open RAW Device with iCare Data Recovery


>>Quick Solution for RAW file system Data Recovery

Download iCare Data Recovery >> to recover files from any device that changes to RAW including RAW SD memory card, flash drive, external or internal hard drive.

Step1. Download and install iCare Data Recovery software. Run the software and choose Deep Scan Recovery option for the digital storage media that chkdsk reports not available for raw drives.

select recovery mode

Step2.  Choose the RAW drive and then the software will scan it. During the process, please wait patiently.

wait while scanning

Step3. Finally, you can preview found pictures and office files and choose all files lost from the RAW drive and recover them.

preview found photo

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Solution Step2. Repair CHKDSK Error

1. If it reports CHKDSK is not available for RAW drives when you type chkdsk x: /f in Command Prompt, you can try to type chkdsk x: /r instead of chkdsk x: /f.

"chkdsk x: /r" command is able to locates errors in the file system in the disk.

==>> Related Article: How to Run CHKDSK>>

2. You can try to run Check disk tool in My Computer for partition error checking instead of running it from Command Line.

==> For detailed steps to run check disk tool in My Computer please refer to: Run check disk tool in my computer>>

3. Please try to format the RAW drive to change its file system from RAW to NTFS or FAT32.

==> For methods to format RAW drive, please see this article – How to format RAW disk>>

4. Reboot your computer and press F8 key on your keyboard to enter Advanced Boot Options, where you can boot your computer into Safe Mode with Command Prompt.

safe mode with cmd

Then, you can type chkdsk to run CHKDSK in Command Prompt.


5. If the problem still exists, you can try to restore system from previous system restore point if you created system restore point in advance. Or, you can reinstall system to resolve the problem.

CHKDSK Is Not Available for RAW Drives in Windows 8 / 10/Windows 7 Vista XP

When it reports CHKDSK is not available for RAW drives in Windows 8 / 10, you should firstly take the compatibility issue into account. Please go to this page – CHKDSK is not available for RAW drives on Windows 8 10 or Page: CHKDSK reports it is not available for RAW drives in Windows XP.

CHKDSK Is Not Available for RAW Drives SD Memory Card

When SD card is damaged, SD memory card would ask to be reformatted or SD memory card says blank and has unsupported file system when you attempt to open the card. When connecting the memory card to your PC, Windows shows RAW drive error on it and requires formatting.

==> Please refer to this article – CHKDSK is not available for RAW memory card>>

CHKDSK RAW Partition: File System Is RAW

If you want to run CHKDSK for any RAW partition, you need to make sure that no file or program on the partition is used by another program. In addition, CHKDSK for system partition C drive might be scheduled when you boot your computer next time because CHKDSK will not be able for system partition when PC is running.

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