I'm having trouble with my micro SD cards. I bought a 128GB card to use for 3DS games and when I try to format it to FAT32, it only shows 23GB. I've tried using both Mac and Windows, and even bought a brand new 64GB card, which also formats to just 29GB. There's no unallocated space visible on my Windows system, and I can't figure out what's wrong. Does anyone have any ideas?
2 Answers
It sounds like you’re running into Windows' 32GB formatting limit for FAT32 drives. You might need to use a third-party tool to get around this limitation. Programs like Rufus can format larger drives in FAT32, but since you mentioned you've already tried Rufus and it’s still showing a max of 29GB, it could mean that your SD cards are malfunctioning or counterfeit. Double-check the actual storage details using a specialized utility to confirm their real capacity.
If you're still hitting the storage wall even with a new card, there might be something going on with your card reader or the way your system is interpreting the card. Make sure your card reader supports the capacity you’re using. Also, try formatting with a different device just to rule out any computer-specific issues.
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