My Gigabyte B850 AORUS Elite WiFi7 mobo has both a 2x4 and a 2x2 header for CPU power, but my Gigabyte GP-AE850PM PG5 PSU doesn't have any 2x2 power lines. If the system I've built with these components won't power up, does that mean I've made a misstep in my work? Or does it mean I have to...