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July 21 2012 7 21 /07 /July /2012 04:30

When I click the drive directory, it says the file system cannot be recognized and needs reformatting. On disk management the whole drive partition just shows as 1862.36gb RAW file system health partition.

When you try to access data from a partition or storage media, you may see the prompt that "The disk in drive is not formatted. Do you want to format it now?". In this occasion, even if we do not delete or format them, our important files are gone. Where are the files? Can we get them back? Before we solve the problem, let's see what is raw file system first.


What is raw file system?

As a computer user, we all know that FAT and NTFS are the regular file system of Windows operating system. Raw file system is an error file system which causes a lot of problems and makes files inaccessible. When the file system of a hard drive is shown as Raw, possible symptoms are:

File system is displayed as "RAW".

File names contain "weird" characters.

When you access files, it will warn "Sector not found".

You will be reminded of "Disk is not formatted. do you want to format now?"


Raw file recovery option in following cases:

Raw recovery doesn't mean recovering partition or file system itself. It means recovering files from raw partition or raw file system. In these two cases, you can consider to choose the raw recovery:

File system data structures of a drive have suffered serious corruption or overwriting and data recovery software cannot scan such drives.

Recently deleted files are not recovered because of severe fragmentation, which is a common problem in FAT file system drives.


How to recover Raw Drive data?

Tenorshare Data recovery is a professional raw data recovery software which can effectively and safely perform raw file recovery to recover lost files from raw file system USB flash drive, external hard drive, partitions on your PC. (For Mac users, you can try Tenorshare Data Recovery for Mac. )

Step 1. Install the program on your PC. In order to avoid overwriting original data, I strongly recommend you to install it on different partition instead of the raw partition. Then choose the "Raw Recovery" mode.

Step 2. The partition of your computer and media storage drive will be scanned and listed in the panel. Choose the raw drive where your lost file located. Then click "Scan" to scan the lost files.

Step 3. The results for raw recovery will be listed according to the file formats. Select the target data and click "Recover" to proceed to destination selection interface.

Step 4. Select a path folder to save your recovered files. And click “OK” to finish raw data recovery. Please do not save your files into the Raw drive or partition in case it might overwrite the files you want to recover.


At last, after raw drive recovery, you have to format the raw drive to get it fixed. One more tips for you, unplugging any hardware from your computer without “safely remove the hardware” is one of the most common reason that the file system of your portable device got corrupted and turn into raw file system. So, whenever you use your USB devices, remember to remove it with safely remove hardware option.


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