hey folks just got my new pi 3,got sd image etc and transferred all my roms but for some reason the snes and nes roms are not getting found for some reason ..got mame n64 megadrive all working(have a dvd with all romsets and emulators)all work fine on my pc and ive tried zip files and all other accepted file types and all not showing,even though same as other roms sets,
any one shed any light on this,
would b much appreciated

everything was just transferred via usb stick if that helps
cheers