Steps to Fix "CHKDSK is not available for RAW drives" Error

If you see the message “CHKDSK is not available for RAW drives” when running the CHKDSK tool via Windows Command Prompt, you can try this method to fix it via Disk Management:

Here's how to do it:

• Press Windows + X to open Disk Management (Windows 11); or press Windows key + R, type diskmgmt.msc, and select Disk Management (Windows 10/11).

Press Windows + X to open Disk Management on Windows 11

• Find the drive labeled as "Unallocated", right-click it, and choose “New Simple Volume…”.

Create New Simple Volume of the RAW Drive

• Then, follow the pop-up setup wizard to create and format the new volume.

a pop-up setup wizard to reformat the raw drive

• Once completed, the drive should become accessible again.

reformatted drive show up in file explorer and disk management

• Run CHKDSK again; it should work properly now.