[SOLVED] Asrock b550 Phantom Gaming ITX/ax won’t post. 5 speaker beeps.

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Jan 18, 2021
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EDIT: Yep, I’m now realising how much of a noob I am for buying a cpu without integrated graphics.
Can anyone advise putting a graphics card in is likely completely solve this?

Machine lights up and fans spin, no video out.
I’ve tried everything, breadboarded it, tried ram in every combination. Finally got a speaker and the motherboard is giving 5 beeps. The CPU was installed in the correct orientation, went in perfectly, cooler is installed perfectly over the top.
I thought this cpu was supposed to be compatible with this MB but I now realised the exact cpu model number (100-100000031) is not on the official list on asrocks website. The cpu box also says “discrete graphics card required” which I don’t have at the moment.
Is this the problem? Did I mess up?
Do I need to swap the cpu?
Any ideas?
Build:
ASRock B550 PHANTOM GAMING-ITX/AX

AMD Ryzen 5 3600 Processor (100-100000031BOX)

CORSAIR VENGEANCE RGB PRO 16GB (2x8GB) DDR4 3600 (PC4-28800) C18

Corsair CP-9020133-UK TX550M 550 W 80+ Gold Power Supply Unit

NZXT Kraken x63
 
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