B450M Steel Legend No M.2 even after beta BIOS
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=11963
Printed Date: 29 Jul 2025 at 12:01am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450M Steel Legend No M.2 even after beta BIOS
Posted By: Robtech
Subject: B450M Steel Legend No M.2 even after beta BIOS
Date Posted: 21 Jul 2019 at 1:17pm
Wondering if anyone else with this board has the same issue. I bought this board new and it was Ryzen 3000 ready. My NVME drive worked fine after I built my PC and installed Windows. After turning off the PC, the drive disappeared from the BIOS on the next boot. I tried a whole heap of things to try and get it to work but no go. After adding a SATA SSD, for some reason the M.2 drive showed up again. Then it disappeared after powering off. That made me think it has to be a BIOS issue, but I've just installed the latest beta BIOS thanks to [URL=http://forum.asrock.com/forum_posts.asp?TID=11898&PID=65206&title=the-1003-ab-bioses-are-here#65206]this post[/URL] and still no NVME drive.
Is it a BIOS issue or is the port busted? I'm not sure anymore.
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Replies:
Posted By: Ray62
Date Posted: 21 Jul 2019 at 9:17pm
First: I would always disable "Fast Start" option on windows 10 shutdown because of often strange behavior after turning off and the next start by power on.
Second: Did you load Bios defaults before and after the bios updates?
I don't think the NVME port is damaged, but maybe the current beta bios still does not handle it correctly.
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Asrock Fatal1ty X370 Professional Gaming Offline
Under test:
MSI X570_MEG_ACE | AMD Ryzen 9 3900X | Scythe Mugen5 | 2x16GB F4-3200C14D-32GTZ@3466 | ASUS GeForce GTX 1080 Ti FE
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Posted By: edlebert
Date Posted: 21 Jul 2019 at 9:20pm
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I?™m guessing the beta bios still has an m2 issue.
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