1. LieutenantPie

    OP LieutenantPie Member
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    I've seen a lot of sources from various websites saying more or less the same thing about this issue: that all you need to do is format the card to FAT32 for it to be read by a 3DS. However, I tried that and it didn't work, I was given the "3DS cannot detect SD card" error. So I did a little experimenting and I think I figured out why sometimes it won't work even if it's been formatted correctly.

    I opened up the 8GB card that came with my 3DS and viewed the properties in a disk partitioning program I found, and I viewed the properties of the 64GB card after it had been formatted to FAT32. Then I did a little looking around on the forums here and found a thread that discussed this issue a little bit, and a user here posted links to some tools he had uploaded to filetrip. I used the first one, so I'll post the link here.
    After using that tool, the SD card worked with my 3DS. So I looked at the properties in the same disk partitioning program, and there is only one difference I found that didn't pertain specifically to the size of the card.

    3DS SD.png

    It's the part I highlighted in yellow, the partition type. The 3DS seems to only detect cards with the 0C partition type. I was really fortunate to have found those utilities posted here, I can't find anything that can format a card with a specific partition type but that utility I used seems to do 0C by default. Please keep this in mind when you format your card to FAT32 and it still doesn't work, I'm like 80% sure that this is the only thing that would keep it from working, and it doesn't look like a lot of people knew about it so I thought it was worth posting here.
     
  2. gudenau

    gudenau Largely ignored
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    Or just use DiskPart. :-P

    cmd:
    Code:
    diskpart
    list disk
    select <disk>
    clean
    create partition primary
    format fs=fat32 quick
    exit
     
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  3. piratesephiroth

    piratesephiroth I wish I could read
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  4. Syphos

    Syphos Advanced Member
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    Partition type 0x07 is either ExFAT or NTFS. The 3DS can't read that.
    Partition 0x0C is LBA FAT32.

    Never heard of Macrorit HDD Destroyer ah... sry I mean Macrorit Disk Partition "Expert".
    Whatever this program does during formatting, it does it wrong.

    You could have used a bootable Gparted or https://www.sdcard.org/downloads/formatter_4/
    But I think the SD-formatter will format it back to exFAT instead.
     
  5. CZroe

    CZroe GBAtemp Regular
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    The OP said "64GB and up," but DiskPart doesn't work for 64GB+ cards. "FORMAT FS=FAT32 QUICK" just gives you
    Code:
    0 percent completed
    
    Virtual Disk Service error:
    The volume size is too big.
    
     
    Last edited by CZroe, Aug 28, 2015
  6. gudenau

    gudenau Largely ignored
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    Did not know that!
     
  7. piratesephiroth

    piratesephiroth I wish I could read
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    I told you, guiformat is the best and easiest option.
     
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  8. CZroe

    CZroe GBAtemp Regular
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    ...and that's what I used. Thanks!
     
  9. vhaines

    vhaines GBAtemp Regular
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    or you can use sd formatter :D
     
  10. mangalodesh

    mangalodesh Member
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    thank you all got a 128 micro sdxc sandisk class 10 uhs-1 working formatted and viewed with easus partition manager free fat32 gave hex 0D or OD can't go back now
     
  11. mangalodesh

    mangalodesh Member
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    now its looking like OB or 0B hex
     
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