Try different games. Clean the games sometimes this is the trick. If not this launch cube could be like mine that was faulty but mine was underwarranty at that time, so i called nintendo and i sent them by cube and got it back in a week free of charge. But unless he bought the warranty he might have to pay like 90 bucks or whatever it is. But clean the disk's try different discs, and if not your proably going to have to call nintendo. Incase you dont know the numbers on the back of every game instruction booklet, or the original cube box.