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6 Solutions to Fix Blank SD Card or Has the Unsupported Filesystem

In daily life, the sudden Blank SD Card or Has the Unsupported Filesystem may make you be at a loss. In this article, you'll find free and effective methods to fix the "Blank SD card or Has the Unsupported Filesystem" error. And if they don't work, you can also download Bitwar data recovery here to recover data from the SD card, and then format the card to reuse.
Sometimes, the smartphones fail to read the SD Card and displays the following notification:

Blank SD Card or Has the Unsupported Filesystem

This device doesn't support this SD card. Tap to set up in a supported format.

The "The SD card is Blank, and it keeps asking format" problem mostly happens to Android phone SD cards, Camera SD cards, memory cards or other USB drives, etc. The major causes are the SD card gets corrupted, unreadable, undetectable, damaged, or there exist some unknown/unwanted files or folders.
When it occurs, do you know how to fix? Sure, you know formatting would be the most direct method to fix blank SD card. But this will wipe out all the existing data and finally lead to serious data loss problem. Fortunately, full and safe solutions for the "SD card is blank or has some unsupported file system" error are offered here to help.

Solutions to fix Blank SD Card or Has the Unsupported Filesystem

Before you carry out any rescue, please make sure that the SD card itself is in sound condition and can be detected by your computer. Only in this way, there is a necessity and possibility to fix this Unsupported SD card.

Solution 1: Try rebooting the phone

Although the operating system requires you to format the blank SD card, DON'T format it at once, try rebooting the phone at first. Then check if the SD card is normal.

Solution 2: Repeatedly insert and pull out the SD card

Try inserting and taking out the blank SD card several times, by these attempts your phone may finally read the SD card.

Solution 3: Run Chkdsk to fix errors

Some users had fixed this error by using CHKDSK, and maybe this way is also helpful to you.
Step 1: Connect Unsupported SD card with PC via card reader and make sure it is detected by the machine.
Step 2: Run CMD as administrator, and input chkdsk n: /f(n is the drive letter of the blank SD card) to fix errors.
Step 3: Put the SD card back to the phone and check whether the card works fine after that.

Solution 4: Connect the SD Card to Any other Machine

It is probable that there may be some issue with the USB port or the card reader device, so try to connect the SD Card to some other device to check if it works or not. Alternatively, try connecting the card using another card reader.

Solution 5: Check hidden files on SD card

Sometimes SD card is carried with some "specialty files" that need to be deleted.
Step 1: Connect blank SD card with PC via card reader and make sure it is detected by the machine.
Step 2: Run control folders to bring out the File Explorer Options.
Step 3: Turn to the View tab.
Step 4: Check Show hidden files, folders, and drives and save the changes.
Step 5: Delete the "specialty files" in the blank SD card if there is any.

Solution 6: format the SD card

If all the solutions fail, unfortunately, you might need to format it finally.

Warning: Recover data from blank SD card before formatting!

How to recover data from the blank SD Card?

You cannot find anything original without the help of some professional SD card data recovery software. We recommend you Bitwar Data Recovery to recover your blank SD Card. It is a professional, powerful, reliable and easiest free SD card data recovery software which supports you recover data from all data loss problems, for example, restoring data from accidental deletion, recovering data from formatting hard drive or retrieving data from lost, missing, or raw hard drive partitions/volumes.

Guides to recover lost data from unsupported SD Card

Download and install Bitwar data recovery on your computer. Make sure the unsupported SD Card is connected to your computer and be recognized. Then follow the guides to recover data.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download


Step 1. Select the unsupported SD Card

Launch Bitwar Data Recovery software and select the unsupported SD Card where your files lost and click "Next."

Select the unsupported SD Card

Step 2: Select the Scan Mode

You can choose Quick Scan mode to recover lost files. This mode can recover deleted, and lost files on a partition or mobile storage device, such as files deleted by shift + delete or emptied from the recycle bin. If files are not overridden by other data, files can be fully recovered.
If you cannot find files after Quick Scan, try Deep scan. The deep scan will search every sector of the hard drive to find all existing files. But the scanning process will spend more time and will not have the original file name in the scanning results.

Select the Scan Mode

Select the file types you want on this page, Bitwar Data Recovery can recover all types of files. I suggest you choose Select All Types if you want to format the SD card later. Then click Next to start scanning. While scanning, the eligible files will be scanned one after another quickly.

Select the file types

Step 3: preview and recover lost files

After the scan, you can filter the files which you want by file name, type, path, and time. You also can preview them one by one to make a selective recovery. Finally, select the files all you want and click the "Recover" button to save it to a computer disk or other external devices.

 preview and recover lost files

After following the above four steps, most files will be restored from unsupported SD card with the help of Bitwar Data Recovery. Then you can reformat this unsupported SD card.

Format RAW Partition to FAT32

      1. Open This PC/Computer > Find the RAW partition;
      2. Right-click it by choosing Format > Select the file system FAT32 and rename it;
      3. Click Start > OK.
After this, your SD card has been converted to fat32, then, you can reuse it again, such as save files to this new disk.


As you can see, there are quite a few options on how to fix an unsupported or blank SD card, hope you can find an appropriate method to fix your SD card. As data recovery is necessary during the process, you can download the Bitwar data recovery software to avoid data loss. This program offers a 30-day free trial, you just need to share it on your Twitter, Facebook or Google+, then you can get the free trial.

Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download

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Keywords:unsupported sd card