AMD Motherboards - B450 Steel Legend Win11 install issue

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B450 Steel Legend Win11 install issue

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=113415
Printed Date: 23 Dec 2025 at 4:52am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: B450 Steel Legend Win11 install issue

Posted By: ikarisan
Subject: B450 Steel Legend Win11 install issue
Date Posted: 21 Dec 2025 at 12:22am

Hi!

I want to reinstall Windows 11 25H2 (ISO made by the Windows Media Creation Tool) on a B450 Steel Legend. Unfortunately, Windows Setup does not recognise my M.2 SSD (mounted on a PCIe card). The M.2 is visible in UEFI and the current system boots from it without any problems. Unfortunately, I can only see my SATA and USB drives in Windows Setup. :(

During installation, I tried to load the drivers from the "SATA Floppy Image_CC ver:9.3.0.296" package. But the setup always says something like "Error loading driver".

A rescue medium based on "Macrium Reflect X" has no problems accessing the M.2 SSD. The appropriate drivers are reportedly already included in the standard WinRE.

This is really annoying, as I've been trying to reinstall the system for 5 hours now.

Does anyone know, how to make a clean Win11 reinstall on an M.2 drive?

Thorsten