That is a different issue – likely game compatibility, graphics settings, or missing libraries. The "BIOS not detected" error is specifically about initial recognition.
/home/deck/Emulation/bios/ Look for a or directly the BIOS files. PCSX2 can read files directly in /bios/ or inside a subfolder like /bios/pcsx2/ . But the simplest is to place them directly in /bios/ . emudeck ps2 bios not detected
/home/deck/.var/app/net.pcsx2.PCSX2/config/PCSX2/inis/PCSX2.ini (Path varies by install method) That is a different issue – likely game
/home/deck/Emulation/bios/