The pictures of error messages above all came from this drive.

The partition table is corrupted and the boot sector of the main partition is also scrambled. THERE IS AN UPDATED VERSION OF THIS POST HEREįor this example, I chose the most heavily damaged disk with this issue that I could find in my collection of damaged disks. Left click the icon on the taskbar, select the device from the menu, and wait for the confirmation message. This can happen in many ways such as a power failure, unplugging the drive from the USB port or from its AC adapter, a problem with the computer that causes it to temporarily disconnect the USB hubs and many more circumstances can lead to this occurring.Īlways use “Safely remove hardware” to disconnect the drive. The most common cause of external hard drives suddenly becoming RAW drives is if they are disconnected from a computer without using the “Safely Remove Hardware” option. Since Windows sees no filesystem in the partition, it prompts you to format it in order to create a filesystem on it. This often happens when the records determining the filesystem type or location on the disk are damaged or corrupted, usually the partition table or the boot sector. Therefore all the available filesystem drivers are unable to mount the filesystem as a drive. Properties of the drive show that both used and free spaces are 0 byte in size for the raw driveĪ RAW filesystem simply means that it is a filesystem that is not recognized by Windows.

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