Won?™t recognize my M2 drive
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=11819
Printed Date: 15 Sep 2025 at 12:59am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Won?™t recognize my M2 drive
Posted By: Toukon
Subject: Won?™t recognize my M2 drive
Date Posted: 08 Jul 2019 at 11:32am
ASROCK B450M PRO4 won?™t recognize my M2.
The manual is worst and no help.
Can anyone give me a hand, please?
I change another 2400G CPU but same result.
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Replies:
Posted By: ASRock_TSD
Date Posted: 08 Jul 2019 at 12:28pm
Dear Toukon,
Greetings, this is ASRock TSD.
B450M Pro4 supports 2 M.2 slot, M2_1 slot supports PCIe type SSD, M.2_2 slot supports SATA type SSD. Be sure connecting to the correct M.2 slot.
https://www.asrock.com/MB/AMD/B450M%20Pro4/index.asp#Specification
If the SSD still cannot be detected, we provide some suggestions for verifying:
1. Please refer to user manual page.26 to clear CMOS.
http://asrock.pc.cdn.bitgravity.com/Manual/B450M%20Pro4.pdf
2. Cut off the AC power and reinstall the M.2 module to M.2 slot.
Then power on system to BIOS and check the detection.
3. Only install bare bone devices, CPU, one stick memory, M.2 SSD and using onboard graphics to verify.
4. If possible, please install another M.2 SSD to verify.
5. If possible, please install your M.2 SSD to another system to verify.
Thanks!
All the best,
ASRock TSD
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Posted By: Toukon
Date Posted: 12 Jul 2019 at 3:57pm
the reason is broken N.2 device
replace a new everything is okay!
Thanks guys.
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