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Processors

Goldman2721
Journeyman III

Ryzen 5 5500 shows 2 cores and 4 threads

Subject says it all, but what's weird is that in my device manager it clearly shows me 12 threads installed. I am using an asrock 520m motherboard and if it really is a bios problem i'm gonna need some help guiding me through how to set it so it uses all 6 cores.

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misterj
Big Boss

Goldman2721. I suspect you did not install a fresh copy of Windows. If that is not the case or does not correct the problem, then post all your system's particulars. Thanks and enjoy, John.

I have the same situation as the person above too. I will upgrade to Window 11. and see if it still the same. I'll post an update.AMD support.png

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Have you checked your motherboard CPU support page to see what BIOS version is required for the Ryzen 5 5500?

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
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I fixed by going into "msconfig" > Boot > Advance options > uncheck the number of processors. Then restart the pc. And it work now. Cores fixed.png

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