AMD Motherboards - AMD B450M Pro4, TPM 2.0 & Windows 11, won't boot

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AMD B450M Pro4, TPM 2.0 & Windows 11, won't boot

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=25850
Printed Date: 30 Jul 2025 at 3:48pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: AMD B450M Pro4, TPM 2.0 & Windows 11, won't boot

Posted By: Maien_
Subject: AMD B450M Pro4, TPM 2.0 & Windows 11, won't boot
Date Posted: 02 May 2023 at 12:46pm

Hello there,

I have a B450M Pro4, a Ryzen 5600 CPU, and a Windows 11 system.
I am trying to enable TPM 2.0 & Secure Boot.

First I managed to do so by disabling CSM, Enabling TPM 2.0, Enabling Secure Boot, Clearing the keys/resetting to factory.
But then Windows 11 won't boot.
By checking with wmic commands, I could see Secure Boot was enabled but Windows wasn't owning "it"(or they keys? not sure how it works there).
I couldn't make it work, no matter what I tried, setting the mode to Standard or Custom, clearing the keys, copying them to the Windows boot partition, Windows 11 still woudln't boot.

Obviously I could just enable Secure Boot, and reinstall Windows from scratch, but.. That would be my very last resort honestly.

I have a feeling my solution lies halfway between the proper BIOS settings/operation order and Windows 11 setup.

Thanks