Where you say this:
“and a folder labeled “cfg” inside of which are “.cfg” files for each of the games I have in the corresponding Roms folder.”
look for a default.cfg and delete it.
You can SSH in if your finder session doesnt let you:
https://www.siteground.com/kb/how_to_log_in_to_an_account_via_ssh_in_mac_os/
