Select the tab and check "Enable Use external BIOS/firmware files" .
: Go to System > Boot firmware to launch into the DSi menu rather than loading a game ROM directly. Common Issues & Tips nandbin melonds top
Unlike its competitor, DeSmuME, melonDS is lighter, faster, and more faithful to original hardware timings. But out of the box, it isn't perfect. That is where community experts like "NandBin" come in. Select the tab and check "Enable Use external