By Lucas / Last Updated March 4, 2022

RAW File System Pen Drive Issue

"I have some problems about RAW file system. I bought a Kingston pen drive and stored my travel photos. I want to look through these pictures, so I insert the Kinston pen drive into my laptop, but the Windows only showing a message: Disk is not formatted. Besides, the file system of Kingston USB is also changed into RAW, not FAT32 as before. Please help me to overcome this issue, Thanks a lot."

What Is RAW File System Pen Drive?

In this case, what is the RAW file system? RAW file system is a file system that cannot be recognized by Windows. Windows can read the hard drive, USB pen drive, and SD card with these file systems: FAT12, FAT16, FAT32, and NTFS. On the other hand, if the pen drive was created but not yet initialized, it will also be indicated as RAW file system.

Why RAW File System Pen Drive Issue Occurs?

Typically, the RAW file system issue often happens when you remove the pen drive without safely remove. As a result, the file system type information could be missing or the system tables are damaged. Furthermore, the virus attack, power outage, format failure, and bad sectors could also cause the RAW drive. You’ll encounter these problems as below when you have a RAW file system pen drive:

1. When you insert the RAW file system pen drive into your computer, you will get a warning: You need to format the disk in drive before you can use it. Do you want to format it?

Format Raw File System

2. The type of the file system is RAW. CHKDSK is not available for RAW drives.

3. The volume does not contain a recognized file system.

4. The Disk Management shows RAW or no file system type, and shows 0 byte in the RAW drive properties.

5. The drive is not accessible.

The Drive Is Not Accessible

These error messages refer to the pen drive has a RAW file system. How to fix it? The best way to repair USB RAW file system is to format RAW file system pen drive correctly and efficiently.

How to Format RAW USB Pen Drive in Windows 10/8/7?

Be relaxed, there are two ways to format RAW file system for pen drive: CMD and the format raw file system pen drive via disk partition software.

Way 1. Format RAW file system pen drive using CMD

In order to repair RAW file system pen drive, you could use the DiskPart commands to format the RAW pen drive, below are how to format RAW pen drive using CMD:

1. Type cmd in the search box on the desktop. Right-click on it and select Run as administrator to open Command Prompt.

2. Type diskpart and press Enter.

3. Input list disk and press Enter. According to the list disk information, check which disk is your USB flash drive.

4. Type select disk # (# is the number of your RAW pen drive).

5. Type clean.

6. Input create partition primary.

7. Input format fs=fat32 (or format fs=ntfs) and press enter.

8. Type assign and press enter.

In this way, you can format RAW file system pen drive to FAT32 or NTFS file system, and then access everything stored in the pen drive successfully.

Way 2. Format RAW USB with Free AOMEI Partition Assistant

If you fail to format RAW USB drive with CMD or you just think it is too complicated, you can turn to a free partition manager: AOMEI Partition Assistant Standard. Compared with Command Prompt, this RAW file system pen drive format software is much more powerful, and with an intuitive interface. Therefore, no matter whether you have some basic computer skills or not, you can easily format RAW file system pen drive to NTFS or FAT32 in Windows 11/10/8/7.

In addition, this software also applies to USB flash drive, external hard drive, memory card, SD card, etc. Follow the instructions to format RAW file system pen drive easily in Windows 7/8/10/11:

Preliminary work: make sure your pen drive’s important data has been restored and backed up. Free download the RAW file system format tool-AOMEI Partition Assistant Standard.

Download Freeware Win 11/10/8.1/8/7/XP
Secure Download

Step 1. Install and launch the program, right click the RAW file system pen drive that you’re planning to format, hit Format Partition.

Format RAW Partition

Step 2. Choose NTFS or FAT32 as the File System of pen drive, press OK.

Select File System

Step 3. Press Apply at the left upper corner and Proceed to format RAW pen drive to NTFS/FAT32.


Final Words

After scanning through this post, you must learn how to format RAW file system pen drive, SD card, memory card and other hard drives to a recognized file system via Command Prompt or professional RAW file system format software. It is worth to mention that AOMEI Partition Assistant Standard also permits you to remove write protection for USB drive/SD card, create second partition on SD card, create bootable media, etc.

In addition, AOMEI Partition Assistant Professional has more advanced features for professional users, like convert dynamic disk to basic, allocate free space from one partition to another, convert file systems between NTFS and FAT32 without losing data and many more.