: You must have the correct Kickstart ROMs in your /userdata/bios folder. Common required files include: kick34005.A500 (Kickstart 1.3) kick40063.A600 (Kickstart 3.1 for A600) kick40068.A1200 (Kickstart 3.1 for A1200)

: Ensure your games are in the .lha or .zip format. For best results, use Retroplay's WHDLoad collection , as these files are pre-configured to be recognized by Batocera's scrapers.

: Within the Batocera "Game Settings," ensure the WHDLoad Launcher is enabled to allow pre-installed WHDLoad setups to boot directly. Troubleshooting Common Issues

WHDLoad uses port 0 for mouse and port 1 for joystick by default. Some 2-player games flip this. Fix: In Batocera Quick Menu (Hotkey + X), go to Controls . Change "Port 0 Device" to Joystick and "Port 1 Device" to Mouse . For most single-player action games, you want both ports on Joystick .