Hello, your Motherboard is Version 1. Not Support Ryzen 4000 and Ryzen 5000! Only Ryzen 1000, 2000(G) and 3000(G). Bios 550A4WOX.108. For Ryzen 4000(G) and 5000(G) only Motherboardversion MH9312xxx B550A4-EM Refresh "4X00". Bios 550A4WOX.214
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