Homepage › Forums › RetroPie Project › New to RetroPie? Start Here! › usb flash drive not functioning with 3.0 beta 2 › Reply To: usb flash drive not functioning with 3.0 beta 2
From what I found, with the latest 3.0 version, you need to create a folder titled RETROPIE on your thumb drive now and it builds your emulator rom folders inside it. I ran into the same problem and that resolved it.