#97801
Floob
Member

Can you confirm your romset is corrent for gngeo?

MAME versions and romsets on RetroPie

There is a good chance the romset you are trying needs to be different, as fba and gngeo use different sets (see link above).

And your bios file (neogeo.zip) comtains the right files?
https://github.com/ymartel06/GnGeo-Pi/wiki/Bios-neogeo.zip

Example setup here: