I just got a new SanDisk 64GB microSDXC card for my new 3DS XL.

I formatted it to fan32 and transferred the content from my old microSD card to the 64GB one, I then put it in my 3DS but it cannot be detected even though it's formatted to fat32.

Everyone else says theirs works just fine after formatting, and I've had no luck looking for a solution on Google.

I need help!