B550 Pro4 Wont Post/Boot

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   MB: ASROCK B550 Pro4
CPU: Ryzen 9 5900X
Cooler: NZXT X63
GPU: Sapphire 6800XT
RAM: G. SKILL Trident Z Neo 64GB
HD: Samsung 970 EVO Plus SSD 1TB
PS: 850W 80 GOLD

All RGB lights and fans working. Using HDMI cable to the GPU HDMI input. System wont boot/post. Red light on both VGA and BOOT.

Any suggestions?

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mydogboggs Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Dec 2020 Location: California Status: Offline Points: 7	Post Options Post Reply Quote mydogboggs Report Post Thanks(0) Quote Reply Topic: B550 Pro4 Wont Post/Boot Posted: 31 Dec 2020 at 3:13pm
	MB: ASROCK B550 Pro4 CPU: Ryzen 9 5900X Cooler: NZXT X63 GPU: Sapphire 6800XT RAM: G. SKILL Trident Z Neo 64GB HD: Samsung 970 EVO Plus SSD 1TB PS: 850W 80 GOLD All RGB lights and fans working. Using HDMI cable to the GPU HDMI input. System wont boot/post. Red light on both VGA and BOOT. Any suggestions?

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 31 Dec 2020 at 3:27pm
	do you have the P1.20 BIOS installed on this motherboard? If not, then you'll need to borrow a 3000 series CPU to flash to version P1.20 for Ryzen 5000 series compatibility.
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 31 Dec 2020 at 3:28pm
	...or a Ryzen 4000 series
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|

mydogboggs Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Dec 2020 Location: California Status: Offline Points: 7	Post Options Post Reply Quote mydogboggs Report Post Thanks(0) Quote Reply Posted: 01 Jan 2021 at 6:30am
	The Bios is the original 1.0. I didnt expect to need a BIOS update as I thought buying a B550 would be compatible out of the box buy I guess I was wrong. No I didnt have an older Ryzen or know anyone that has a one I can borrow. Any other way to update the bios?

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 01 Jan 2021 at 12:59pm
	maybe local PC shop or purchase a 3000 series CPU, flash .. and then send/take the CPU back ..
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|