Solution for The Type of File System is RAW on USB Flash Drive
Summary

When you insert the USB pen drive into computer, does your computer say the type of the file system is raw, and Chkdsk is not available for raw drives? This article is about how to repair USB flash drive when the type of file system is raw. This solution can help you recover your data on the raw USB flash drive and repair the raw drive.

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How to Fix USB Flash Drive When Computer Says the Type of File System Is Raw?

"Oh My God! My USB pen drive just became raw, the computer said the file system is raw, and it shows as 0 byte on my computer, I can not open it, I tried the CHKDSK tool, but CHKDSK is not available for raw drives. I really need the files on the pen drive. Is there any way can fix the raw USB flash drive and recover my data?" -- Hally

You may probably encounter this problem, too. when you insert your USB pen drive to your computer, it is inaccessible, at the same time, CHKDSK is not available for raw drives.

When you want to read the USB drive, the computer reports a message said you need to format the disk in drive before you can use it. While you know, if you format your USB flash drive, the data will all be removed.

How to Repair Raw USB Flash Drive without Data Loss?

You need to be clear that your pen drive is inaccessible when the type of file system is raw. And the volume becomes 0 byte, it means all your data was hidden, you need to restore them. If you want to repair the raw USB pen drive, you do need to format it from raw file system into NTFS or FAT32.

First of all, you need to recover your data before you format the raw pen drive to NTFS or FAT32, since you can not access the pen drive, you will need a tool to open it. You can choose a safe data recovery tool like iCare Data Recovery pro.

iCare Data Recovery pro is a professional data recovery software, it is a read-only program, you don’t need to worry about the safety problem. It has a great recovery ability which can help you to recover data from hard drive, external drive, USB pen drive, memory card, etc. And it supports all the Windows system. You can follow the instructions to recover data from your raw USB flash drive.

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Raw File System Recovery on USB Flash Drive without Data Loss

Instructions of Recovering Data from Raw USB Flash Drive.

After installing the program on your computer, you can insert your USB flash drive into your computer.

Step1: Run the program. Choose "Deep Scan Recovery" module to start.

Raw file system recovery without data lossRaw file system recovery without data loss

Step 2: Choose your device and start to scan.

Raw file system recovery without data lossRaw file system recovery without data loss

Step 3: Preview the listed data found by the program.

Raw file system recovery without data lossRaw file system recovery without data loss

Step 4: Choose data needed and save them to another place.

How to Fix USB Flash Drive Raw File System Error

After you recovered the data from the raw USB flash drive, you can format your raw pen drive into NTFS or FAT32. Usually, when the type of the file system is raw, the device can not be formatted by a easy right-click option, when you format your USB flash drive, system will report that Windows was not able to complete the format.

There are two ways you can try: CMD command prompt and professional format tool. And they are both free, you can have a try.

How to Fix USB Flash Drive Raw File System Error with CMD

Attention:

When you use CMD command prompt, you need to be very careful to avoid mistakenly format, which may cause you another data loss problem.

Step1: Run CMD.

Fix raw file system with CMDFix raw file system with CMD

Step2: Type"format F: /fs:fat32"(F is the drive letter of your RAW USB flash drive).

After these steps, you can convert your device file system into FAT32.

How to Fix USB Flash Drive Raw File System Error with Free Formatter

There is another way which is safer and easier you can try, a professional formatter: iCare also has this product which is totally free, you can download here: https://www.icareall.com/download/formatter.exe

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Writer of iCareAll Inc., is specialized data recovery solutions and love to find and solve digital device data storage related problems.
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