By Joy

"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 when they are damaged for some reason like virus attack/unplug without safe removal mode... This video shows you how to repair your raw drive.

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

chkdsk not available for raw


When you use CHKDSK to check the hard disk, it says “The Type of the File System Is RAW CHKDSK is not available for RAW drives".

The device is not available, you can see it on your computer, but you cannot open it.

And the storage shown as 0 byte even though you save a lot of data on it.

The device become “Raw” at the “Properties”.

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.

If you need the data on the device, you cannot just format it directly, try a data recovery program to recover the data on the drive first. You can try iCare Data Recovery Pro.

Tutorial to Recover Data from CHKDSK Not Available RAW Drives

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. If it is a raw sd card or any memory card, use a CARD READER to get it connected with your Windows PC.

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

Remove CHKDSK Error by repairing the RAW File System

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.

Run Diskpart Command prompt to repair raw drive.

Type “diskpart” in the window, then “list volume”, select your raw drive, clean it, then create partition primary, type active, and select your drive volume again, type “ format fs=fat32”, after it finished, exit. Then the raw file system device is repaired.

Convert raw to FAT32 with CMD command prompt

Option: 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.


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.


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!


80% to 100% RAW Recovery by iCare

Download iCare Data Recovery >> to repair any device that changes to RAW including RAW SD memory card, flash drive, external or internal hard drive. Connect memory card with a card reader to PC.

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