Ihave a official TTDS with Pong and Retro's 3.301 firmaware. Im also using an 8gb sandisk sd card. Whenever my laptop thries to read the usb with sd card in it it show removable disk and only ask me to format it, i cant access my files on the sd card. When i put the sd card into the ds it shows the menu error . HEEEELP PLZZZ