First, my 3DS stucked at Loading screen. I formatted card, and while doing it I found YSMenu, after putting back my default firmware, i thinked about trying YSMenu, and shit happend. My 3ds screen gone white, i thinked it stucked and restarted cart, and now when i try starting my r4sdhc card it just say about error occured and hold power button. How can i restore it