The type of the file system is NTFS.
or disconnecting the drive without "Safely Removing" it. Method 1: Running CHKDSK via Command Prompt (Advanced) chkdsk external drive
Click . Windows will tell you if it finds anything. Option 2: The Pro Way (Command Prompt) The type of the file system is NTFS
specifically when accessing files on the external drive. Windows will tell you if it finds anything
External hard drives, USB flash drives, and SD cards have become indispensable for data transport, backup, and expanding storage on systems with limited internal space. However, they are also more susceptible to corruption due to improper ejection, physical shock, file system errors, and failing components. When an external drive starts behaving erratically—throwing up "The file or directory is corrupted and unreadable" errors, freezing File Explorer, or reporting the wrong capacity—one of the first recovery tools to consider is chkdsk (Check Disk), a utility deeply embedded in the Windows operating system.
Sometimes a failing external drive will suddenly appear as "RAW" in Disk Management (no file system). Running chkdsk on a RAW drive is useless—it will simply say "The type of the file system is RAW. CHKDSK is not available for RAW drives." In this case, do not run chkdsk ; use data recovery software first.
This feature transforms chkdsk from a "blind repair tool" into a . It answers the two most common user questions before the scan even starts: "Is my drive physically dying?" and "Why won't it let me scan it right now?"