SanDisk SD Card RAW Format Error - how to format Sandisk memory card which cannot be formatted

"I am facing a problem and need help for recovering data because my SanDisk SD card warns RAW format error and has 0 byte space. I have connected the SanDisk SD card to my PC, but it also shows RAW file system. Then, I have run CHKDSK, but it pops up a message CHKDSK is not available for RAW drives. What else can I do to fix the RAW format error on my SanDisk SD card? Any suggestion on this would be highly appreciated."

sd card raw fixSandisk SD RAW FILESYSTEM Required Formatting

A "RAW drive" error occurring on a SanDisk SD card makes most people worried a lot because they do not know what happened that causes the error and what will happen caused by the error.

Video - How to fix sd card blank raw file system

Recover raw sd card data free

Solution for SanDisk SD Card RAW Format Recovery

If you want to retrieve inaccessible data from corrupted SD memory card, you cannot format the card but to free download iCare Data Recovery to extract files off the RAW drive.

Why you need to try this free program

iCare Data Recovery is recommended since it can

  1. recover different types of data such as images, audio files, video files, office files, etc from SanDisk SD card or other brands of SD card when it turns to RAW file system
  2. This data recovery software supports Windows OS 10/8/7 and more

All you need is to connect the RAW SanDisk SD card to a Windows PC and then refer to the guide below to get back previous inaccessible data step by step:

Free Memory Card Recovery


Download iCare Data Recovery Pro Free to recover files from mobile phone camera memory card including photos, videos, music...

Step1. Download and install iCare Data Recovery on your computer. Launch the software and choose a proper scan mode.

select recovery mode

Step2. Select the RAW SanDisk SD card as target drive and then you only need to wait in the scanning process.

wait while scanning

Step3. You are allowed to preview files after scanning and the recover the lost data to another drive.

preview found photo

After recovering all lost files from the SanDisk SD card, you can format the SD card to fix the error.

3 Ways to Format RAW Sandisk to FAT32/NTFS

Way#1: format Sandisk to fat32/exfat/ntfs using CMD

Here are the steps you may follow to get your Sandisk formatted to a regular accepted file system by Windows - fat32, exfat, ntfs...

format sandisk raw to fat32Format Sandisk raw to fat32

Way#2: format Sandisk by right click format option - the easiest sd card formatter

Or you may also format the Sandisk to fat32/ntfs/exfat by Windows function, right click -> Format.

format sandisk raw to fat32Format Sandisk raw to fat32

Way#3: format Sandisk by Phone/Camera format option

Or format it on your Android phone, camera directly with its format function.

format sandisk raw to fat32Format Sandisk raw to fat32/exfat

==>> If you meet any problem to fix RAW error on SanDisk SD memory card, please refer to this page - Convert RAW to FAT32>>

Also read: how to fix sd card became raw

Why Sandisk Memory Card Became RAW

usb reported not formattingSandisk SD RAW FILESYSTEM Required Formatting

Well, many factors like virus infection, bad sectors, improper operation, etc may result in RAW format error on a SanDisk SD card.

SanDisk SD card RAW format error will cause data to be inaccessible on the card. Therefore, you need a way to access the SD card or extract files from the inaccessible SanDisk SD card.

How to fix Windows Cannot Format SanDisk

If SanDisk SD card failed to be formatted by PC or other devices, then you may fix possible errors on our Sandisk like the following:

  1. Remove write protection
  2. Turn off read-only (you may have set read-only property for your files/folders, then the sd won't be formatted or changed)
  3. Delete the sd and then reload it from computer Disk Management
  4. More solutions can be found in the following video

RAW Sandisk SD Card Symptoms

1. SanDisk SD Says RAW File System
You see this error often when clicking Properties of the card. To know what RAW file system is, it is necessary to know the concept of file system. Simply, file system can be compared to a library. Data block group is shelf in the library, on which there are many books. Those books can be considered as data block. Every book is usually located in a certain place on the shelf, so you can find the book as long as you know which location you put it on. If file system is corrupted and shows RAW, system cannot find the location to store your data. Therefore, you cannot access your card that says RAW.

2. SanDisk SD Card 0 Byte
Similarly, if library is closed, you cannot access it to get any book. When system is corrupted turning to RAW, Windows cannot read any data from it and detects it as 0 byte.

3. CHKDSK Cannot Fix RAW SanDisk SD

CHKDSK is not available for RAW SD card is a complex problem resulting from many factors. If you need help for this problem, you can read another article on this site - CHKDSK cannto fix RAW drives

Last updated on Nov 28, 2023

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