Help guys,this week i return to school,and the bitches of my enemies are with me :(

Thank you Nina,now i can play Ds games on my 3Ds

Hello again haha, i have a problem,my 3ds didn't play ds games,the error says something about the ctrnand,somebody know how to fix it?

I bougth my 3ds a month ago,and i soooooo happy,the best nintendo console eveeeer