What Is RAW File System?
Generally, RAW file system, differently from the commonly used NTFS, FAT, exFAT, HFS or HFS+ file system types, is initiatively used to describe the state of a computer hard drive, partition, flash drive, external drive, SD card, Micro SD memory card, CF card and the likes before it has been low level formatted into any supported file system type by manufacturers. And in these days, for storage device users, it is more used as a professional computer term to describe the storage device state that cannot be recognized by both of the Windows and Mac operating system computers. In other words, once a storage device gets the related RAW file system error problems, it often will not be read properly on your computers or laptops before any format.
Possible Error Messages or Symptoms That May Indicate RAW File System Issues:
Want to know whether a hard drive or memory card with very important files has the like RAW file system issues or not? OK! Here are several error messages and symptoms that can be helpful:
1).The disk is not formatted. Do you want to format it now?
When a drive or memory card has RAW file system problems, people often will also receive an error message saying: "the disk is not formatted. Do you want to format it now?" no matter when they try to open or access this drive or memory card on their PC.
2).The hard drive or memory card is displayed as RAW file system in Properties Interface.
When people are asked to format before any access, cancel this not formatted error message and right click this hard drive or memory card to check its Properties, they will also find this drive or card is displayed as RAW file system, not the previous NTFS or FAT32 or the like file system types.
3).The used space and free spaces also shows as 0 bytes.
Since the RAW file system cannot be recognized by the operating system, the computer will read no any information or file stored inside the RAW format hard disk or storage card. Hence, both of its used space and free spaced shown on its Properties interface are often 0 bytes.
4).The storage devices will also be shown as RAW in Disk Management
5). Computer CHKDSK also cannot be started for RAW drives.
When the storage device is really in RAW format, if people start the CHKDSK tool to fix possible drive problems, they often will be told: "The type of the file system is RAW. CHKDSK is not available for RAW drives".
6). SD card is blank or has unsupported file system
It is also possible for users to be given a error message saying: "SD is blank or has unsupported file system" when the digital camera or mobile phone SD memory card has a RAW file system error problems.
Overall, there are various error messages and symptoms to help people tell the RAW file system error problems out from others.
RAW File System Drive or Memory Card, RAW Format Images and RAW Data
RAW file system drive or memory card is merely a storage device that has RAW file system problems.
And the RAW format image often says a digital camera or cell phone picture that has been taken as RAW format which is the original state of a photo and cannot be directly read or edited by common photo software before it has converted into the widely-used formats, like JPEG, JPG and more.
And, the RAW data generally describe a file that has been recovered from a storage device before any processing or modifying. It could be a dataset, a data steam, or even a data part of a corrupted file, etc.
Overall, the RAW file system drives or memory cards, RAW format images and RAW data indicate completely different things. Never mix them and use them incorrectly.
The Disk Is Not Formatted. Do You Want to Format It Now?
This error message is really one of the symptoms that can report a RAW file system error problem and even bring a hard drive data loss troubles in some cases. However, it doesn’t mean the related RAW format error problems come to people once this error message pops out. Honestly, this not formatted error or unformatted error problems also could indicate a corrupted hard drive, a crashed hard drive, a virus infected hard drive or memory card and more storage devices issues.
Always check the storage device carefully to find the right error problems behind and also retrieve memory card data or hard drive files with data recovery software before any format.
SD Card Is Blank or Has Unsupported File System
When a SD memory card is really in RAW format, people is really possible to get this SD card blank or unsupported file system error messages on their camera, android cell phone or Windows computer. However, no matter whether this memory card is blank or not, do not rush to format it to erase everything inside. Always check the memory card data backups well before performing any format there.
CHKDSK Is Not Available for RAW Drives
The Windows CHKDSK is always used to help people find bad sectors of the selected hard drive and also fix found hard drive problems. However, it even cannot start its deep scanning process when the selected hard drive or memory card is detected as RAW file system. Hence, when people doubt whether their USB hard drives, flash drives or memory cards have got RAW file system issues, this CKDSK not available error message could be a good test to make sure that.
Windows Is Unable to Complete the Format
People are also possible to receive "Windows is unable to complete the format" error message when they are trying to convert RAW to NTFS after a successful data recovery. And when, do not panic and go try to perform a format there with Disk Management format tools or hard drive formatting software and more. Always select the safe way to format the storage device smoothly.