You might need to disable/turn off fast boot. I know once I did that, I stopped getting resets after PC shutdowns. It would then only reset if the PC crashed or abruptly lost power.
Leonidas - Ryzen 7 5800X3D | MBA RX 6800 XT Midnight Black | Be Quiet 802 Silent Base (Main)
Maximus - Ryzen 7 3700x | Power Color Fighter RX 6700 XT | Fractal Ridge ITX Case (HTPC)