check right motherboard code, in asus i not see model GX501VI i think can is GX501VIx Please check can send one photo
with the original does not give image, with yours backlight ON but no IMAGE.... seems BIOS problem ...
i not see you downloads bios this, it not same bios before yet https://vinafix.com/threads/asus-rog-zephyrus-m-8th-gen-cpus-bios.35822/#post-116848 or you not want i help more ?