Look for the system folder inside your main RetroArch directory.
The process varies slightly depending on your emulator (DuckStation, RetroArch, or ePSXe), but the logic remains the same. 1. Locate the "System" or "BIOS" Folder no playstation bios found add for better compatibility best
If a game still won't load, your BIOS file might be a "bad dump." Reliable emulators like DuckStation will actually tell you if the MD5 checksum of your BIOS is verified and correct. Look for the system folder inside your main