What is raw file system and how to fix it?

Summary

This page is about what is raw file system, why the file system becomes raw, and how to repair raw file system and restore data from raw drive.

What does raw file system mean

Raw file system is a kind of file system for digital device, and it is different from other file systems like NTFS, FAT32, exFAT, or others. Windows cannot read raw file system. What does this mean? It means your device becomes unreadable for Windows.

raw file systemRepair raw file system

When you try to open raw device on the Windows system computer, it will fail to read it. The raw device will become inaccessible. And when you see the details of the raw drive, you will find it become 0 byte, which means your data was gone. This problem mostly happens to external hard drive, usb pen drive, sd card, internal hard drive. It often happens when you interrupt the data transferring, formatting, or unplug the device from computer without a safe ejection.

raw file system sdRepair raw file system for sd/usb/hd

How do I read a raw file system

To fix the raw file system, you need to convert the raw file system into NTFS, FAT32, exFAT. You can try format the raw drive, quick format may work, however it would delete all the data on the device.

Solution: you may firstly recover data from raw disk/usb flash drive and then format raw file system to ntfs/fat32/fat/exfat...

Part 1 - recover data from raw file system devices

As you can see, the process to repair the raw file system with CMD diskpart is a process of formatting. So if you have needed data B, you’d better to recover the data before using CMD diskpart to repair the raw file system. Here you can try iCare Data Recovery pro, a useful data recovery software. It is a 100% safe and can recover any kinds of data from storage device.

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Then follow the steps to recover your data on the raw file system device.

Step1: Download iCare Data Recovery and install it on your computer.

Step2: Run the program on your computer, enter “Deep Scan Recovery” or RAW Drive Recovery.

Recover data from raw file system devices with iCare Data Recovery ProRecover data from corrupted sd card with iCare Data Recovery Pro

Step3: Preview the found data, select your important data to recover, save it to another drive.

Recover data from raw file system devices with iCare Data Recovery ProRecover data from corrupted sd card with iCare Data Recovery Pro

Besides the raw file system data recovery, iCare Data Recovery Pro can also recover data from deleted, formatted, virus infected, corrupted device. Try it to save your data.

Part 2 - Format raw disk or thumb drive to fat32/ntfs with cmd diskpart

You may simply use Windows file explorer and right click raw drive and then format it instead of using cmd.

format raw usb

Easier way to format raw drive? Here are 8 free ways to format a raw disk

CMD diskpart can help you to convert the raw file system into a working file system. Here the following photos would show you the tutorial.

Attention:

This process to use CMD diskpart to convert the file system will format the device, you’d better to recover the data before you try CMD diskpart.

Then you can follow the steps to repair the raw file system.

Step1: Open Run, and type CMD, press OK to go.

Repair raw file system with cmd diskpartRepair raw file system with cmd diskpart

Step2: Type“diskpart” -> list disk -> select disk * (for example 'select disk 1' when disk 1 is the raw drive); -> Type 'clean' -> create partition primary -> format fs=ntfs quick

Repair raw file system with cmd diskpart

Or you may also try the following in the CMD

Repair raw file system with cmd diskpartRepair raw file system with cmd diskpart

Type“format I: /fs: ntfs quick”(I is the drive letter of your raw file system device)

Or you may try “format K: /fs:fat32”(when K is the drive letter of your raw file system device and you want to change it to fat32 file system)

After this process finished, you can type” exit” to finish, then you can check your device, the file system will become FAT32/NTFS.

Cannot format raw drive? See this solution: unable to format raw sd card [6 fixes]

Video - how to convert raw file system to ntfs

Also read: how to convert raw file system without formatting

Also read: what is raw drive

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Last updated on July 28, 2021