I have tried everything. All sorts of paper, upside down, other DSi. I give up. I don't have a DS Lite and if I can't get the card booting on another DSi then I can't reflash it either. So I start looking for a new card then...
I have two Acekard i on two DSi 1.4.1E's. One card suddenly stopped working and now has the infamous "an error occured" black screen. I swapped the flash cards and the problem still exists. Is there a way to reinstall the firmware on the adapter? I could only find info on updating the firmware...