Installing a console BIOS might seem complex at the beginning, but it’s quite a easy procedure with the appropriate files. You’ll want a BIOS file, typically labeled something like "SYSTEM.BIN" or "BIOS_V11.BIN," https://ps2bios284394.blogdigy.com/how-to-install-a-ps2-bios-a-step-by-step-guide-70343158