Hi, i have a serious problem. I have re-formatted througnly for my ds lite for N card. However, when it loads to menu and usb mode, when press to usb, it shows a black screen with words like USB DISK V1.44(8G) and when pressed to menu,it shows open x.menu.dat error! Please help me on what to do with the following.i am unable to view the disc on my computer to put x.menu program inside. I am wondering what to do.