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How to fix “the volume does not contain a recognized file system”

If you received 'The volume does not contain a recognized file system' in USB/external hard drive/partition in your computer? Relax and this post gives you the workaround to fix the issue. You can also just follow to recover data from RAW hard drive or inaccessible USB/external hard drive/SD card etc. devices with Bitwar data recovery now.

What is "The Volume Does Not Contain a Recognized File System"

During computer using, Many users have reported encountering "The Volume Does Not Contain a Recognized File System" problem once before. And the issue is occurred in not only computer hard drive, but also external devices, such as external hard drive, USB flash drive and SD card.
Now, we'd like to tell you the good news - this problem can be fixed and all data saved on the inaccessible drive can be recovered. First of all, in order to be afraid of damaging the lost important files of the storage device, we‘ll show you the way to recover data from broken disk or external device.


What is RAW file system?

In computing, file system is used to manage how data is stored and retrieved. Without a file system, information stored on storage device would be one large body of data with no way to tell where a file begins and stops. By separating the data into pieces and giving each piece a name, the information is easily isolated and identified.
The structure and logic rules used to manage the groups of information and their names are called a “file system”. There are many different kinds of file systems, for example FAT (FAT12, FAT16, FAT32), exFAT, NTFS, HFS, HFS+, ext2, ext3, VMFS, UDF, etc.
RAW is the default file system of CD-ROM recognized by operating system. When burning DVD, you can see RAW mode which is able to extract users’ data as well as sub-channels data. However, other storages such as hard drives and USB drives are formatted as FAT or NTFS. If storage devices become RAW, then it can’t be accessed, as RAW is regarded as an error of file system. If you try to open RAW partition, you will get error messages such as “You need to format the disk in drive G: before you can use it. Do you want to format it?” or “The volume does not contain a recognized file system.”

Why the problem occurred

The following reasons could lead to file system unrecognized problem:
     ● reinstallation of system.
     ● getting attacked by virus.
     ● users' misapplication.
     ● abnormal shutdown of computer.
     ● file system conversion failure.
     ● accidental deletion of necessary system files.
     ● physical failures like bad sector.
     ● unstable or insufficient power supply.

Why restore data first?

Before figuring out what result in "The volume does not contain a recognized file system" error, All you need to do at this point is to find a RAW drive recovery software to get back the files, then fix it without any worries. Offering powerful and easy RAW recovery solution, Bitwar data recovery allows you to recover lost data from RAW drive directly, such as digital camera, hard drives, SD cards, Memory cards, phones, media players and portable drives. From these devices you can recover audios, videos, pictures, archives, emails, and documents.

How to recover data from the raw partition?

Download and install Bitwar data recovery on your windows other partitions, and then follows the guides to recover data from the volume does not contain a recognized file system (raw partition).

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download

Step 1. Select the raw partition or device

Launch Bitwar Data Recovery software on your windows. Select the raw partition or devices where you want to restore important data back and click "Next".

Step 2: Select the Scan Mode

You can choose “Quick Scan” mode to recover lost files. If files are not override by other data, files can be fully recovered.
If you cannot find files after Quick Scan, try deep scan. The deep scan will search every sector of hard drive to find all existing files. But the scanning process will spend more time and will not have the original file name in the scanning results.
When you performed the partition a quick format, select “Formatted Recovery” on this step.

Select the exact types of files you have lost, you can also choose “Select All Types” to scan all files out if you do not know which types you want. Then click “Next” to start scanning.


Step 3: preview and recover lost files

After the scan, all scanned file will be listed out. You can filter the files by file name, type, path and time, you also can preview them one by one to make a selective recovery. Finally, select the files you want and click the "Recover" button to save it to another partition or external device.

As you can see, the lost files have been recovered with the help of Bitwar Data Recovery. Then you can fix "The Volume Does Not Contain a Recognized File System" error.

How to fix “volume does not contain a recognized file system” error?

This section provides 2 solutions to fix the file system issue.  If you have backed up or recovered your data, then you can try these solutions below:

Solution 1: Format the volume that contains unrecognized file system

The most direct and easy way to deal with RAW partition is formatting it to NTFS, FAT32 or exFAT. You can choose file system format based on your actual condition, for example, hard drive usually adopts NTFS, while USB drives like SD card and USB flash drives use FAT32 or exFAT. Before formatting the drive, you may also need to run anti-virus software to scan the disk and eliminate virus and malware.
Warning: Formatting erases everything on the partition. If the RAW partition contains important files you should recover them first before trying to format it.
Format RAW Partition to NTFS
1. Plug the inaccessible disk to computer so that it can be detected.
2. Open This PC/Computer > Find the RAW partition;
2. Right-click it by choosing Format > Select the file system - NTFS and rename it;
3. Click Start > OK.
After this, your raw partition has been converted to NTFS, then, you can reuse it again.
Note: you’ll get error message like “Windows was unable to complete the format” or “The disk is write-protected“, if the disk is read-only or gets damaged. In that case, you should fix that issue before formatting.

Solution 2: Update USB driver

You can update USB driver in Windows for your flash drive. Restart your PC after this configuration.
1. Press Win + R and run devmgmt.msc as administrator.
2. In the Device Manager, find Universal Serial Bus controllers and unfold, right click Generic USB Hub and click Update Driver Software.

Solution 3: Run Chkdsk for the drive in question

Chkdsk is one useful utility provided by Windows, which is able to check and repair volume errors in many cases. However, you should be noted that chkdsk process may also damages file system, leading to files cannot be recovered completely.
  1. Double click this PC icon from desktop to open File Explorer.
  2. Find and select the volume that is not accessible, then right-click it to select “Properties”.
  3. On the Properties window, click “Tools” tab. Then you can see “Check” button under “Error checking”. Click the Check button. DiskPart has encountered an Error.
  1. You can see the Error Checking window popping up, select “Scan drive”. DiskPart Has Encountered an Error.
  1. It may take a while to finish the disk check, please wait patiently. After the process completed , then close the windows.

Things you should notice

Though Bitwar data recovery could help you get back all of your important data from RAW partition under the condition that they're not covered by new data, there is still possible to lost them forever. So, please try your best to avoid the volume does not contain a recognized file system error to avert from unnecessary troubles. The things you should notice:
        ●Try not to unplug your removable device from computer forcibly.
        ●Don't connect your removable drive to and manage it on a computer arbitrarily unless you can confirm its security.
        ●Don't open unsolicited emails and links without checking its safety.
        ●Choose to manage computer hard drive/removable disk with the help of reliable software.
        ●Remember to back up your important data regularly to safe location.
Hope you all can get rid of the disturbing RAW partition error and data loss problem. Such as “the volume does not contain a recognized file system”.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download

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