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Prime B650M-A Wifi II after update won't start normally

Level 7
  • MB: Prime B650M-A WiFi II

Functional Bios: 1413

Corrupted & tested Bios: 1616, 2412, 2413, 2613

CPU: Ryzen 9 7950X3D with Radeon graphics card

CPU cooler: Corsair RGB liquid + 2 fans

Ram: Kingston Fury 2x32GB AMD Expo, 2x16GB AMD Expo

Ssd: Nvme 128GB M.2 Patriot Gen4 4x, WD 4TB

OS: Win 11 Home

GPU: Radeon RX7900XTX

PSU: Corsair 1000W

Case: Fractal white + glass


Issue: System works out of the box with bios revision 1413.

This year 2024 I decided to update bios to latest revision. System start, fans spins, rgb lights on. USB mouse+usb keyboard without rgb light, not functional, monitor black screen. After waiting 2 hours, and repeating some fixes(restart, removing battery, and/or removing/replacing components etc.) nothing happens.

Then I've done bios flashback with 1413 bios and system works.

Please any help ? How can I update bios to latest version 2613 ?


Thank you in advance.

Best regards



Level 7

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