Question new PC post fails

[andersvilhelmm]

i just built a new PC whenever i start is up it will go through and try to select a disk to boot from however after about 10 seconds it goes black and monitor displays no signal.
asus q code AA
can get to bios but same problem after 10 seconds
Q code A9
bios is up to date


pc specs
CPU: ryzen 9 3900x
GPU: asus rog OC RTX 2080ti
MB: asus rog crosshair hero viii
Ram: 64 GB 4 16GB sticks corsair vengeance RGB 3200 mhz
PSU: corsair 1200I modular
storage: WD gen 4 2 Tb M.2 black, samsung 960 PRO 512 GB m.2
cooling: ekwb custom water cooling monoblock, and GPU cooled

 

[rgd1101]

test with just 1 stick of ram and only the boot ssd?

 

[andersvilhelmm]

tested with one ram stick in slot furthest from the CPU, same result and booting from a flash drive.

 

[rgd1101]

not seeing the bios screen either?

 

[andersvilhelmm]

not seeing the bios screen either?

will start up normally and i can get to the bios screen but than it goes black

 

[rgd1101]

goes black in bios screen or when it try to boot to the os?
did you install the os for the build or not yet?