SD Card Blank or Unsupported File System (Fixed with 3 Ways)

Are you bothered by SD card blank or unsupported file system error? You can refer to this article and learn to fix SD card is blank or has unsupported file system.


By AOMEI / Updated on May 12, 2023

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About SD card error SD card blank unsupported file system

SD card is blank or has unsupported file system” occurs when improper operations were committed. And when you click to check this error, you will receive another piece of information: "Are you sure you want to format SD card?" If you do so, you will lose your data.

"SD card is blank" does not mean it's really blank or does not contain any file. It means something is wrong. The phone or tablets has already detected the mounted SD card but it cannot read the card or can't recognize the file system or there are some unknown/unwanted files or folders that don't belong to your device,.

In summary, you need to try other solutions before you format SD card.

SD Card Is Blank or Has Unsupported Filesystem

SD card says blank or unsupported file system - why?

SD card is very common in our daily life. You can use it to transfer files, save photos, expand internal storage of Android phone, etc. But, sometimes, you may feel upset owing to SD card error. “Galaxy s3/s4/s5 SD card is blank or has unsupported file system” is one of the error messages. But why you receive it?

Generally speaking, SD card blank or unsupported file system error occurs due to many reasons: virus infection, rude extraction, logical damages, RAW file system, and more.

Now, it’s time for you to think about whether you have the following behavior.

  • You remove the card without turning off the phone or tablets first.

  • You use the card on a different platform or unauthenticated machine.

  • You remove the card from the computer without using Safely remove hardware option.

SD card is blank or has unsupported file system – fixed

When the phone or tablets asks you to format SD card, you can turn off the device and turn on it and see if it works. If it does not work, you can continue to see “SD card is blank or has unsupported file system” solution below.

SD card blank or has unsupported file system- how to recover?

If you are familiar with command prompt, you can try this solution.

Step 1. Connect SD card to your computer via card reader and make sure it can be detected.

Step 2. Type cmd in the search box andrun as administrator.

Step 3. Type chkdsk F: /f (replace F with the drive letter of SD card) to fix errors.


Step 4. Put SD card back to phone or tablet and see if you can access it.

SD card blank or has unsupported file system recovery

Maybe, there are some hidden files in the device, which can lead to SD card error. You need to find the hidden files and delete it.

Step 1. Type Control Panel in the search box and select it.

Step 2. Click on Programs in the pop-up window.


Step 3. Under Programs window, click Appearance and Personalization link.

Appearance Personalization

Step 4. Under Appearance and Personalization window, click Show hidden files and folders.

Show Hidden Files Folders

Step 5. Tick Show hidden files, folders, and drives in the File Explorer Options and then clickApply and OK to exit.

File Explorer Options

Step 6. See if there are extra files on the SD card. If yes, you can right-click it and select Delete option from the context menu.

SD card says blank or unsupported file system – solve

If you cannot solve your problem with above solutions, you can format it with partition manager AOMEI Partition Assistant. With it, you can format SD card without any obstacle.

In addition, you can use AOMEI Partition Assistant to do many things as well. You can remove write protection from exFAT SD card, solve the storage is write protected on Samsung SD card, SD card shows incorrect size, etc.

Recover data from SD card

Needless to say, you know you will lose all your data if you format SD card, including files, folders, photos, etc. If you do not want to lose it, you can try to recover data on SD card first.

To recover data on SD card, you can download AOMEI Partition Assistant, click Recover and Partition Recovery on the top panel and follow its instruction until the last step.

Partition Recovery Wizard

How to fix SD card blank or unsupported file system?

Step 1. Right-click SD card and select Format Partition from the list.

Format Partition

Step 2. Select file system from the drop-down menu and clickOK to exit.

File System

Step 3. Click Apply and Proceed to start the pending operation.

Apply Proceed

In general, AOMEI Partition Assistant can satisfy all your basic needs. But if you want more advanced features, you can upgrade to AOMEI Partition Assistant Professional. With it, you can convert GPT to MBR, allocate free space, quick partition hard drive with one-click, and more.

To fix SD card blank or unsupported file system error, you have to format SD card although you are not willing to do so. This operation will result in data loss. To reduce the risk of data loss, you can choose to recover data with partition recovery software first.

AOMEI · Staff Editor