[Solved] Drive not accessible, the volume does not contain a recognized file system, how to fix?

When we access hard drive, external hard drive, USB drive, flash drive, SD card, memory card, pen drive, etc. we may get the following message prompts that we cannot access D drive.

Drive X:\ is not accessible. The volume does not contain a recognized file system. Please make sure that all required file system drivers are loaded and that the volume is not corrupted.

Drive not accessible - the volume does not contain a recognized file system

Encountering this error message means the drive D has become RAW file system. RAW file system is not really a type of file system but presents a problem of your drive. Our current NTFS/FAT file system has been corrupted, how to fix this error or access data from D drive again? We need the professional partition recovery or repair software to fix RAW file system and change RAW to NTFS/FAT32 file system without data loss.

M3 Data Recovery is a RAW partition recovery software which can easily solve "Drive is not accessible. The volume does not contain a recognized file system" issue under Windows 10/8/7/Vista/XP and Windows Server 2012/2008/2003.

M3 Data Recovery provides two RAW drive recovery modules to solve our RAW drive issues: RAW drive partition recovery and RAW drive data recovery.

Recover data from RAW drive in Mac computer, please go to M3 Data Recovery for Mac.

How to solve "Volume doesn't contain a recognized file system" issue?

Step 1: Download and install M3 Data Recovery. After launching it, select the RAW Drive Recovery module.

How to fix Volume doesn't contain a recognized file system error

Step 2: Select RAW drive and then click Next to continue, M3 Data Recovery will check the related file system information and fix corrupted file system.

How to fix Volume doesn't contain a recognized file system error

Step 3: Check the files in RAW drive before applying the changes to the drive, we can right click photo or document to preview and check recovery quality before purchase.

How to fix Volume doesn't contain a recognized file system error

Step 4: Click "Fix Drive" to apply the changes to the drive and solve "volume doesn't contain a recognized file system" issue.

How to fix Volume doesn't contain a recognized file system error

We can also switch to Data Recovery Mode to recover data from RAW drive.

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