This is just giving me a black screen as well. I'm thinking I don't have my card set up correctly.
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What's the paper trick?
he means that the card is probably not making contact with the pins inside of the cart slot,
you take a match book cover and tear it off and then fold it and wedge it in the cart slot in between the label side of the DSTWO and the inside of the cart slot , the idea being that it pushes the cards connector pins harder up against the pins inside the cart slot so it makes a better connection
i had to do it before with my DSTWO ,sometimes it does not make a good connection
also if it reads the card but you get the "no find SD" error message you can get like some regular printer or notebook paper and wedge it in the MSD slot on the DSTWO between the label side of the MSD card and the MSD slot to make it connect better
the DSTWO has an awkward build quality the extra CPU and RAM chips stick out and make a bump under the label sticker that makes it not sit right in the cart slot and it causes issues , but this also happens with other cars and with MSD's
my friends N3ds XL i put CFW on for him and the MSD has barely ever been removed but the N3ds refuses to read the card 4 out of 5 times and i have to keep on popping it in and out
his is US , but i mine is AU and i remove the card all the time and never had a problem
but my MSD is samsung his is a rebranded kingston
could be the quality of the MSD who knows but these things have contact issues, MSD's and slot 1 DS flashcards both