Go to > BIOS (or the First Time Configuration screen if it’s a new install). Click Refresh List .
: If you have the v2.30 file (usually named scph90001.bin or PS2-0230A-20080220.bin ), copy it into that folder. Refresh in PCSX2 : Open PCSX2 and navigate to Settings > BIOS . Click Refresh list to see the USA v2.30 entry. Select it and click Apply or Finish .