New upgrades to existing build, but difficulty booting (intel -> amd).
old build (originally had windows installed on C: drive SSD) :
i7-6850k
1080ti
x99 tiger deluxe II mobo
new build (flashed bios and windows to new nVME m-2 [F: drive]):
r9-5900x
3090
5066 royal trident gskill ram 32gb
b550...