M.2 SSD not detected by B450M-HDV R4.0 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=11967
Printed Date: 28 Jul 2025 at 11:28pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: M.2 SSD not detected by B450M-HDV R4.0 BIOS
Posted By: raimi28
Subject: M.2 SSD not detected by B450M-HDV R4.0 BIOS
Date Posted: 22 Jul 2019 at 1:29am
Hi, I had just finished a new build consisting of
Processor: AMD Ryzen 3 2200G
Motherboard: ASRock B450M-HDV R4.0
RAM: 2x 8GB HyperX Fury 3200Mhz DDR4
SSD: Apacer 480GB M.2 2280 SATA3 AST280
I'm trying to clean install Windows on the SSD and that is when I realize the BIOS did not detect the SSD, neither in Storage Configuration nor in Boot Options. I tried all option across all forums I searched, such as updating the BIOS, enabling the M.2, disabling the CSM but still the SSD still goes undetected by BIOS and Windows 10 Installer.
Next, I swapped the SSD with a 16GB Sandisk M.2 2242 SSD I have in my laptop, and the motherboard does detect it. Beginning to think that the 480GB SSD is faulty, I plugged it into my laptop, and now it is detected, so I initialized it and formatted to GPT and NTFS. Plugging it back into the Ultra M.2 slot in the B450M mobo, the SSD again goes undetected.
I would appreciate any suggestions for me to try. Right now, I think my best option would be to buy an M.2 to SATA converter and hope the SATA socket recognizes it.
Do share your opinions guys, thank you :)
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Replies:
Posted By: wenerikk
Date Posted: 22 Jul 2019 at 2:22am
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You have a bios 2.30 with AGESA Combo-AM4 1.0.0.1, it is very buggy version and other motherboards have issue with RAM speed and undetected M.2 as well. So solution is to wait next version of the bios with AGESA 1.0.0.3 (or higher). Hopefully some mobo's already have beta versions of new bioses which solve these problems.
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Posted By: Ray62
Date Posted: 22 Jul 2019 at 2:54am
He did not tell which bios he is using.
1.50 would be the best for the Ryzen 3 2200G.
But there is no (official way) to go back to this version coming from 2.x
I would contact Asrock support for a bios update (or downgrade) with functional M2 port.
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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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