Unable to Determine File System How to Fix It

Summary

External hard drive become inaccessible? This article is about how to recover data from a external hard drive or USB which is unable to determine file system type or becomes raw file system.

Unable to Determine File System Type on the External Hard Drive

“I inserted my external hard drive on the computer to transfer some data, but suddenly my computer shut down and reboot, then I try to open my external hard drive on the computer,but the computer ask me to format it, and says it is unable to determine the file system type. I need my data on the external hard drive. Is there any way to help me repair the external hard drive and get back my data?”

This problem often happens to external storage device, the file system of the device will become raw file system or other file system type which can not be recognized by Windows. So to repair the error device, you need to convert the file system into file system types supported by Windows, NTFS, FAT32, exFAT, for example.

You can change the file system type with CMD command prompt. While this process will format the device, you need to recover data before that if you have needed data on it.

How to Recover Data from Unrecognized File System Device

You need a data recovery program to recover your data from an unrecognized file system device, do choose a reliable one, because some may do harm to your data and computer, here I recommend iCare Data Recovery pro, which is a effective, 100% safe data recovery tool. Due to its read-only system setting, it won’t do harm to your computer or change the file type of your data. You don’t need to worry about the data recovered is not readable.

iCare Data Recovery pro has a fantastic compatibility, it supports all the Windows system. If you are Windows users, you can free download here.

Free Download

And you can follow the steps to recover the data from the device with unrecognized file system type.

Step1: Free download iCare Data Recovery pro at it website: iCare Recovery. Run the program.

Step2: Enter “Deep Scan Recovery” or “Raw Drive Recovery” mode. Select your device to scan.

Recover data from unrecognized file system device with iCare Data Recovery ProRecover data from unrecognized file system device with iCare Data Recovery Pro

Step3: Preview the found data, and select those needed to recover. Store them to another place.

Recover data from unrecognized file system device with iCare Data Recovery ProRecover data from unrecognized file system device with iCare Data Recovery Pro

Instructions to Repair Unrecognized File System Device

Attention:

Do not put a wrong number on the command window when you run CMD command prompt, a mistake can make your system drive get effected

This process will formatted all your data on the external hard drive, remember to recover you data first if you have need them.

Repair device with unrecognized file system with CMDRepair device with unrecognized file system with CMD

Step2: Type“format M: /fs:ntfs”(M is the drive letter of your RAW external hard drive)

After this process finished, the file system of the device will be converted into NTFS, you can also change the “ntfs” in the command line into “fat32”, then you can convert the file system into FAT32 file system.

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Writer of iCareAll Inc., is specialized data recovery solutions and love to find and solve digital device data storage related problems.
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