Maximus VII Hero Q Code 77 after enabling

rog77Hi I have a rather strange problem with my motherboard. Every time, if the computer has been shut down, it will not boot at all. It stops with the Q-code 77. Not evenAMD X870E (AM5 Socket) ATX motherboard, Advanced AI PC-ready, 18+2+2 power stages, Dynamic OC Switcher, Core Flex, DDR5 slots with AEMP, ROG Memory Fan Kit for DDR5