B450M/ac R2.0 & Win11
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=19193
Printed Date: 04 Nov 2025 at 10:37am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450M/ac R2.0 & Win11
Posted By: Gravitas
Subject: B450M/ac R2.0 & Win11
Date Posted: 02 Jul 2021 at 2:09am
Couple of questions:
- Is this boot capable of meeting the requirements?
- I have BIOS R.20 P2.30, should I upgrade to 2.70?
- I have enabled fTPM and that passes the reqs now.
- I cannot figure out how to configure the Secure Boot so that it passes. In the BIOS is says that Secure Boot is enabled but that does not do the trick.
- Boot Method is Legacy. What do I need to configure here?
-Anyone know if you can convert a non GPT partition to GPT without having to reinstall Windows?
Thanks for the help as I just got this board 2 weeks ago and still learning it.
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Replies:
Posted By: Khun_Doug
Date Posted: 02 Jul 2021 at 2:26am
You will need UEFI boot to work with Secure Boot, as far as I understand. So you will need to change Legacy to UEFI.
As for Win 11, Microsoft pulled the PC Health Checker tool. They will release it later. I have a virtual PC and a laptop that both failed the health check. Microsoft seems to have changed their minds on the requirements, at least for now. Both of the PCs successfully downloaded and installed the Insider Preview build 22000.
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Posted By: mrpancake21
Date Posted: 27 Jul 2023 at 6:37am
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How to change it from legacy to UEFI? I have b450m ac/r2.0 motherboard. Please help.
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