>got a steam deck
>trying to set up emudeck
>got all my games on an sd card
>plug in via usb c
>have about 200GB worth of roms
>don't know how to get them copied over
do i literally need a USB drive? the program created the bios and rom folder on my sd card. i got all the games in the right folder. i got a bunch of red error messages about my bios files though.