Hi and thanks.
I tried this script, since it wan't working also before lunching it:
https://github.com/Voljega/amiga4recalbox
What do you mean with fresh install?
I checked name syntax and also their location, they are in /recalbox/share/bios:
-rw-r--r-- 1 root root 524288 Nov 11 2014 kick13.rom
-rw-r--r-- 1 root root 524288 Jan 17 12:20 kick20.rom
-rw-r--r-- 1 root root 524288 Jan 17 11:42 kick31.rom