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CPU upgrade not working

brokenarrow726
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Go to solution Solved by Chris Pratt,

Did you flash the regular release BIOS or the beta? It should be 7A32v1NX(Beta version). You need the beta for Zen 2 support on X370.

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> I just upgraded my cpu from a 1700x to a 3900x. I already flashed the bios. When it starts it goes to black screen and sounds like I can hear 3 ticks from the cpu. It never posts. On my motherboard the ez debugger shows a red light lit on cpu.

 

Specs:

old cpu: AMD Ryzen 7 1700x

new cpu: ryzen 9 3900x

Mobo:msi x370 gaming pro carbon.

Ram: 32gb (2x16) 3200 ram.

PSU: 600w

Graphics Card:

gtx 1070.

Storage: 2 m.2s (256gb and 1tb) and a 2Tb Hdd.

Other: Total of 5 fans an a corsair h20 aio pump.

 

Any help would be appreciated. Thanks!

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https://linustechtips.com/topic/1234528-cpu-upgrade-not-working/
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Did you flash the regular release BIOS or the beta? It should be 7A32v1NX(Beta version). You need the beta for Zen 2 support on X370.

CPU: AMD Ryzen 9 9950X3D · Cooler: Noctua NH-D15S Chromax.black · Motherboard: Gigabyte Auros X670 Elite AX · RAM: G.Skill Flare X5 64GB (2 x 32GB) DDR5 6000MHz CL30 · Graphics Card: Zotac NVIDIA GeForce RTX 4070 Super Twin Edge OC 12GB · Boot Drive: 1TB XPG Gammix S70 Blade NVMe SSD · Game Drive: 2TB WD SN850X NVMe SSD · PSU: Seasonic Focus GX V3 1000W 80+ Gold · Case: Fractal Design North Mesh · Monitor: MSI Optix MAG342CQR 34” UWQHD 3440x1440 144Hz · Keyboard: EPOMAKER x Aula F99 Wireless Mechanical Keyboard · Mouse: Logitech G309 Lightspeed Wireless Gaming Mouse

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11 minutes ago, Chris Pratt said:

Did you flash the regular release BIOS or the beta? It should be 7A32v1NX(Beta version). You need the beta for Zen 2 support on X370.

I did not. I used latest stable. 7A32v1L I will try that and let you know. Ty.  

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11 minutes ago, Darpyface said:

On their website, it doesn't say that 3rd gen is supported. You might have to get a new motherboard.

Multiple people have reported the x370 working with zen2. I think some of the benefits of zen 2 aren't used on the x370, but it does physical work. 

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44 minutes ago, brokenarrow726 said:

Multiple people have reported the x370 working with zen2. I think some of the benefits of zen 2 aren't used on the x370, but it does physical work. 

The manufacturer has to provide BIOS support for Zen 2 though. Not all boards have the new BIOS.

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