6) Back to PCSX2, you can now launch the game and you should arrive to calibration screen. Shoot the target, it should work If you're still in windowed mode, the mouse cursor should be aligned with PCSX2 aimtrak aim, but if you go fullscreen you'll see it going off at the border...
Change how Retroarch, in layman's terms, "will show stuff on the screen". You can tweak how it works in fullscreen and windowed mode, which monitor to use when in fullscreen mode, at what resolution and refresh rate, what type of scaling to use, etc. It's worth noting that Retroar...