Floob
Member
Post count: 1629

Which folder are your mame roms in? (and do you know which emulator you are running?)

Folders are:
mame-advmame
mame-mame4all
fba
neogeo

If you’re using the standard mame4all check this directory for a default cfg file
/opt/retropie/configs/mame-mame4all/cfg/