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Quick Fix - 3DS Could Not Detect an SD Card

Updated on Dec 04, 2018 by Abby Haines to Partition Manager

Summary:
3DS won't read it's SD card? Easy and efficient ways are offered here to fix ‘Could not detect an SD card. The software on the SD Card could not be displayed’ error in 3DS.

3DS won't read it's SD card? In this page, we focus on how to fix the issue in some easy and efficient ways. 

As a game user, you might have encountered a situation that you are unable to start a game because your SD card cannot be detected or read by 3DS. Just like the following case:

"When I open my 3DS XL, it gives me a message says "Could not detect an SD Card. The software on the SD Card could not be displayed." Is there any fix?"

Fixes for 3DS Could Not Detect an SD Card 

Follow the steps below to solve the issue correctly. 

1. Check if the Problem Is with Your SD Card or Your 3DS

Whenever you get could not detect an SD card error message, please first try another SD card in your 3DS. 

  • If another SD Card does not work, it might suggest that your 3DS should be sent in for repair. 
  • If another SD Card works, it turns out to be a problem with your SD card. You can try to reformat 3DS SD card to FAT32 with EaseUS free partition software for repair. It is said to be helpful with a large number of users. 
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 Windows 10 is supported

2. Transfer 3DS Saved Data onto Another SD Card

Here, before formatting, you can try EaseUS PC transfer software to transfer your 3DS Saved Data onto another SD card. It works if your card can be detected by your PC.

3. Reformat 3DS SD Card to FAT32

 

Step 1: Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the "Format" option.

Format Hard Drive Partition - Step 1

Step 2: Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click "OK".

Format Hard Drive Partition - Step 2

Step 3: In the Warning window, click "OK" to continue.

Format Hard Drive Partition - Step 3

Step 4: Click the "Execute Operation" button in the top-left corner to review the changes, then click "Apply" to start formatting your external hard drive/USB/SD card.

Format Hard Drive Partition - Step 4

4. Replace Old 3DS SD Card with a New One

For some users who are still suffering could not detect an SD card error in 3DS after reformatting the card, replacing the old card with a new one is recommended.

How to Avoid 3DS Could Not Detect an SD Card 

  • Never remove or insert SD cards while the system is on.
  • Never remove a miniSD or microSD card while the adapter is still in the system.