Your picture doesn't appear to be missing anything. Try following the
https://3ds.hacks.guide/ in double checking you're not missing any files as your picture doesn't show what's in the
boot9strap,
gm9, and
luma folders.
Install the bare bone minimum in getting CFW to run and launch with the card. If that still doesn't work, make sure your SD card is formatted in FAT32 and 32 KB cluster size. If it's not in FAT32, the 3DS won't be able to read it. Cluster size of 32 KB is for compatibility issues for certain official and homebrew game titles.