When using PlayStation emulators like RetroArch, DuckStation, or PCSX2, the error "No PlayStation BIOS found" occurs because the emulator cannot locate the console's copyrighted firmware. Adding a BIOS file is critical for ensuring full game compatibility, fixing "Start button" issues, and enabling features like memory card saving. Summary of Recommended BIOS Files
The BIOS (Basic Input/Output System) is the original operating system of the PlayStation console. Adding a real BIOS file ensures: no playstation bios found add for better compatibility best
What the BIOS does
If you still see the error after adding the BIOS, go to emulator settings and explicitly select the BIOS file – placing it in the folder is not always enough. The BIOS (Basic Input/Output System) is the original
The Error: "No PlayStation BIOS Found"