If Windows says “The volume does not contain a recognized file system”, the drive may have a corrupted or unreadable file system and may appear as RAW. If the drive contains important files, do not format it immediately. Recover the needed data first, then try the appropriate ways to restore access.
What Does “The Volume Does Not Contain a Recognized File System” Mean
“The volume does not contain a recognized file system” is a Windows error that usually appears when the operating system cannot correctly read the file system on a drive or partition. As a result, you may be unable to open the partition or access the files stored on it.
The affected drive may appear as RAW in Disk Management, and Windows may ask you to format it before you can use it. This problem can affect internal and external hard drives, USB flash drives, and SD cards.
The error does not necessarily mean that your files are gone. If the affected drive contains important data, do not format it immediately. Recover the needed files first, then troubleshoot the drive.
Why Does the Volume Not Contain a Recognized File System
Windows may display this error when it cannot recognize or correctly read the file system on a drive or partition. Common causes include:
- File system corruption caused by interrupted or failed disk operations.
- Damaged partition information such as a corrupted partition table.
- Abnormal system shutdown while the drive is being accessed.
- Unsafe removal of an external hard drive, USB drive, or other removable device.
- Failed file system conversion or other partition operations.
- Malware or virus infection that damages files or disk structures.
- Bad sectors or other disk errors that affect file system information.
- Unstable or insufficient power supply to an external storage device.
When the file system becomes unreadable, Windows may show the partition as RAW and prevent normal access to the stored files. If important data is stored on the affected partition, recover it before formatting or making other changes to the drive.
Common Cases of the Unrecognized File System Error
The error can occur in several situations. The following are some common cases you may encounter.
Case 1. The Drive Is Inaccessible in Windows
You may encounter this error when you open a hard drive partition in File Explorer. Instead of showing the files, Windows displays a message saying “The volume does not contain a recognized file system.”
This can happen when Windows cannot correctly read the file system or partition information. A damaged partition table or corrupted file system may make the partition appear similar to an unformatted volume.
If the partition contains important files, do not format it immediately. Recover the needed data first to reduce the risk of permanent data loss.
Case 2. The Hard Drive or Partition Becomes RAW
Another common situation is that a hard drive or partition suddenly becomes RAW in Windows. You may find that the drive can no longer be opened and the files stored on it are inaccessible.
A RAW partition means that Windows cannot recognize its file system normally. File system corruption, partition information damage, unsafe removal, malware, or disk errors can cause a partition to become RAW.
If important files are stored on the RAW partition, do not format it before recovering the data. Instead, use reliable data recovery software to scan the partition and recover your files first.
Case 3. A USB Drive or SD Card Becomes Inaccessible
he same error can also occur on removable storage devices such as USB flash drives and SD cards. You may be unable to open the device or access the files stored on it.
If this happens, reconnect the device and try another USB port or computer first. If Windows detects the device but it still appears inaccessible or RAW, avoid formatting it if important files are stored on it. You can recover the needed data first and then continue with troubleshooting.
Recover Data from RAW Partition
No matter what you decide to do after encountering the volume does not contain a recognized file system error, you’re advised to recover data from it first. Otherwise, you may lose your needed data forever and it leaves you no chance to regret it.
If there are no crucial files stored on the RAW partition, you can skip the data recovery process to fix the error. However, those saved files might become irrecoverable because of data overwriting in the repair process.
Choose a Proper Tool to Recover Data from the RAW Partition
MiniTool Power Data Recovery is a Windows data recovery tool that can scan inaccessible or RAW partitions and recover recoverable files, including documents, photos, videos, audio files, and other common file types. It can also work with supported internal and external storage devices, USB drives, and SD cards.
If you need to recover data from a RAW partition, download MiniTool Power Data Recovery Free to scan the affected partition and check whether the needed files can be found.
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Start Data Recovery from Not Recognized File System
Suppose you have downloaded and installed MiniTool Power Data Recovery on your computer, you can work with the following three steps to recover data from RAW partition.
Step 1. Launch MiniTool Power Data Recovery and find the affected RAW partition under Logical Drives. It may appear as an Unidentified partition. Select it and click Scan.
Step 2. Wait for the scan to complete. Use Filter, Type, or Search to locate specific files, and use Preview to verify recoverable files when available
Step 3. Click Save to store the recovered files to another healthy drive rather than the original RAW partition.
This is the complete guide to complete the RAW partition recovery with the help of MiniTool Power Data Recovery. The free edition of this tool provides only 1GB of free file recovery capacity. You can visit the License Comparison page to select an advanced edition which contains a larger data recovery capacity.
After recovering your important files, you can try the appropriate ways to restore the affected drive. If the drive is only experiencing a connection issue, reconnect it or try another USB port or computer.
If Windows still cannot recognize the file system, formatting the drive may restore it for reuse. However, formatting should only be considered after important data has been recovered or backed up.
How to Avoid the Error in the Future
Although the “volume does not contain a recognized file system” error cannot always be prevented, taking proper care of your storage devices can reduce the risk of file system corruption and data loss.
- Safely eject removable storage devices.
- Avoid interrupting file system or partition operations.
- Do not connect storage devices to potentially infected computers.
- Use reliable disk management and recovery software.
- Back up important files regularly.
Summary
When Windows reports that the volume does not contain a recognized file system, the affected drive may be inaccessible or appear as RAW. If important files are stored on the drive, recover them before formatting or attempting other repair operations.
MiniTool Power Data Recovery can help scan an inaccessible or RAW partition and recover recoverable files. After securing your data, you can try the appropriate steps to restore the drive for normal use.
If you encounter any problems while using MiniTool software, please contact us at [email protected].
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