B550M Pro SE won't POST

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   This is a new build:

Motherboard: B550M Pro SE
https://asrock.com/mb/AMD/B550M%20Pro%20SE/index.asp
CPU: AMD Ryzen 7 5700X3D
Memory: OWC - OWC3E2D41R8032P
https://www.amazon.com/gp/product/B0CBT1GH4Y
SSD: Inland - 1TB PER W/O
https://www.microcenter.com/product/642169/inland-performance-plus-1tb-3d-tlc-nand-pcie-gen-4-x4-nvme-m2-internal-ssd

The motherboard won't post.
- I'm not sure if there are LEDs on the motherboard for troubleshooting
- If there are, I don't see them, and the manual doesn't seem to reference them

The website says my CPU requires BIOS version P3.20
- I don't know how to determine my current BIOS version since it won't POST
- I'm wondering if my BIOS is too old to support my CPU.
- If it is, I'm not sure how to remedy.

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bkindel Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Oct 2024 Location: USA Status: Offline Points: 20	Post Options Post Reply Quote bkindel Report Post Thanks(0) Quote Reply Topic: B550M Pro SE won't POST Posted: 07 Oct 2024 at 9:58am
	This is a new build: Motherboard: B550M Pro SE https://asrock.com/mb/AMD/B550M%20Pro%20SE/index.asp CPU: AMD Ryzen 7 5700X3D Memory: OWC - OWC3E2D41R8032P https://www.amazon.com/gp/product/B0CBT1GH4Y SSD: Inland - 1TB PER W/O https://www.microcenter.com/product/642169/inland-performance-plus-1tb-3d-tlc-nand-pcie-gen-4-x4-nvme-m2-internal-ssd The motherboard won't post. - I'm not sure if there are LEDs on the motherboard for troubleshooting - If there are, I don't see them, and the manual doesn't seem to reference them The website says my CPU requires BIOS version P3.20 - I don't know how to determine my current BIOS version since it won't POST - I'm wondering if my BIOS is too old to support my CPU. - If it is, I'm not sure how to remedy.

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 4660	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Posted: 9 hours 20 minutes ago at 8:55pm
	They used to put factory BIOS version sticker on the EEPROM chip on the motherboard. I don't know if they still do that, but have you looked for it? If it is there, and it's pre-3.20, you'd have to borrow an older CPU (3000-series Matisse or 4000-series Rembrandt preferred) to update the BIOS. AMD might still have boot-kit program, where they let you borrow an older CPU.