I have the same problem with my X670E Hero mainboard. After updating the BIOS to a version higher than 0805, there is no way to have the computer boot without QR Code errors or RAM problems. Yet the RAM is present in the Asus QVL and when contacting support I was told several times that they would fix it with future BIOS and yet the problem persists. The only way (apart from downgrading the BIOS) is to deactivate EXPO (and in my case set the RAM to 6000Mhz otherwise they would go to 4800Mhz). Only in this way will the computer start without problems.
my pc haven't crashed for the past 12 hours maybe because of the cooler recalibration needed sometime to apply plus I installed that program called wushowhide which stops windows from destroying some driver by make sure it's installed in the way windows want
