How to fix "The volume does not contain a recognized file system" error?

Posted by Molly to Data Recovery on September 4th, 2018

Summary: This article talks about the solutions to the error "The volume does not contain a recognized file system" and the method to recover data with free RAW drive data recovery software - iBoysoft Data Recovery.

When does "The volume does not contain a recognized file system" error happen?

"The volume does not contain a recognized file system" is one of the most common error messages that appears when you connect a USB drive, a Pen drive, an SD card/memory card, or an external hard drive to your Windows 10/8/7 machine. You may be quite familiar with this situation.

When I plugged my USB drive to my Windows 10 Pro, I got this message: "You need to format the disk in drive E: before you can use it."

You need to format the disk

The E: drive is my Data/App drive so I need everything on it. So I clicked Cancel. However, I then got this: "The volume does not contain a recognized file system. Please make sure all required file system drivers are loaded and the volume is not corrupted."

The volume does not contain a recognized file system

When I checked the Local Disk Properties, it showed 0 bytes used space and 0 bytes free space. And in Disk Management, this USB drive was shown as RAW file system.

What can I do to fix "The volume does not contain a recognized file system" error and recover all my data from this RAW USB drive?

How to fix "The volume does not contain a recognized file system" error on Windows 10/8/7?

When "The volume does not contain a recognized file system" error occurs, the drive is not accessible, access denied. So you can't edit or transfer the files and folders on it. To fix it, you can follow the 2 solutions.

Solution 1: Run CHKDSK to fix "The volume does not contain a recognized file system" error.

Option 1: Go to This PC, right-click on the RAW drive and select Properties. Click on Tools tab and then Check Now button to check hard drive error.

Option 2: Run chkdsk /r command.

Step 1: Type "cmd" into the search box from Start menu. From the search results, right-click on Command Prompt and select Run as Administrtor.

Step 2: Enter "chkdsk /r *:" in the pop-up window and press "Enter". For example, if the inaccessible USB drive is disk G, enter "chkdsk /r g:"

Step 3: Reboot your computer and see whether the "The volume does not contain a recognized file system" error has been fixed.

Solution 2: Reformat the drive to fix "The volume does not contain a recognized file system" error.

If CHKDSK doesn't help fixing "The volume does not contain a recognized file system" error, you can reformat the drive. Before that, please make sure you have a backup of the data on the unrecognized drive. If not, you can recover data from the RAW drive with iBoysoft Data Recovery.

iBoysoft Data Recovery is professional RAW drive data recovery software that deals with various RAW file system problems, such as converting RAW to NTFS, Disk structure is corrupted and unreadable, recovering data from RAW USB drives, external hard drives, SD cards, memory cards, etc. It's fully compatible with Windows 10/8/7/Vista/XP and Windows Server 2019/2016/2012/2008/2003.

Step 1: Recover data from RAW drive with iBoysoft Data Recovery.

1. Free download iBoysoft Data Recovery and install it.

2. Launch iBoysoft Data Recovery.

Recover data with iBoysoft Data Recovery

3. Select the unrecognized drive and click "Next" to start scanning for all lost files.

4. Select the files you want to get back and then click "Recover".

Step 2: Reformat the drive showing "The volume does not contain a recognized file system".

1. Go to This PC or Disk Management, and right-click on the RAW drive, select "Format".

2. Setup the required information: file system, allocation unit size, volume label, format options (the default format option is Quick Format).

3. Click "Start", the format operation will complete soon.

This is the most reliable method to fix "The volume does not contain a recognized file system" error without losing data.

Read more: Why "The volume does not contain a recognized file system" error happens?

"The volume does not contain a recognized file system" error mostly occurs when the file system, i.e. NTFS, FAT32, exFAT, etc., is missing, messed up or corrupt. It's shown as RAW file system which is actually not a type of file system but a name indicating your drive is not recognizable by the system. Specifically, this error might be caused due to these reasons.

1. Bad sector happened;
2. Hardware incompatibility issue;
3. The volume got corrupted or due to physical damage;
4. Required file system is not loaded or it is not compatible with the drive;
5. Virus infection or malware attacks.

If you still have any questions regarding "The volume does not contain a recognized file system" or any other errors, just feel free to let us know.

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