M.2 lanes not detected£
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=26095
Printed Date: 04 Nov 2025 at 5:17pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: M.2 lanes not detected£
Posted By: unbanshee
Subject: M.2 lanes not detected£
Date Posted: 03 Jul 2023 at 8:51pm
Hi All,
I recently upgraded to a B650 PG Lightning in order to support my AMD Ryzen 9 7900 but since setting it up yesterday I have not been able to detect the M.2 lanes on the board. I have tried updating the BIOS to 1.2.4 and all the M.2 lanes on the board but they are not even showing up in the BIOS right now. The drive does seem to be found and it is drawing power but I am not able to detect it at all. anyone know a solution to this problem?
System specs here:
CPU: ADM Ryzen 9 7900
GPU: Nvidia 3060TI
RAM Corsair 5200 Mhz 32GB
Board: ASrock B650 PG Lightning
Storage: 128GB SATA SSD, 2TB SATA HDD, 500GB SATA SSD, 1TB M.2 NVMe 3.0 SSD (Sabrent Rocket NVMe SSD 1TB M.2 2280 PCIe 3.0 NVMe TLC SSD) this is the drive I am trying to connect.
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Replies:
Posted By: unbanshee
Date Posted: 04 Jul 2023 at 12:21am
Update, I was able to detect the M.2 drive using one of their listed supported drives and add it via the disk manager under the computer manager so this has been resolved for me now. Kinda silly that it can't see the old one though, was a real pain to figure out. The supported NVMe list is on the product page here for any future people who encounter this:
https://pg.asrock.com/mb/AMD/B650%20PG%20Lightning/index.asp#Storage" rel="nofollow - https://pg.asrock.com/mb/AMD/B650%20PG%20Lightning/index.asp#Storage
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