3ds games wont load

[iceman123]

cant seem to load my 3ds games got it back of my young nephew and he's done something 3ds just wont boot up still 4.5 software any ideas please

[12345guy12345]

is the launcher.dat file still on the sd card in the 3ds,have you played a different cartridge game if so you need to use the blue card to accsess gateway mode again,this is assuming your using gateway card

[loler55]

isoprophanol helped for my in your situation

[lenopro]

iceman123, the best way to help is to format your sd card, that will reset your game data but will allow you to play games again.