POST fails. Memory error
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=41571
Printed Date: 29 Oct 2025 at 4:34pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: POST fails. Memory error
Posted By: dantebox
Subject: POST fails. Memory error
Date Posted: 03 Jun 2024 at 4:12pm
Cannot complete POST. CPU LED is solid and RAM LED is flashing. This is a new build. Everything worked fine for about 1 day. Windows 10 came up, I played Rainbow 6 Siege for a short amount of time, browsed the internet, etc. I turned machine off for about 4 hours and problem appeared when I tried to restart.
To troubleshoot, I have tried the following:
1. Removing one stick of RAM (I started with 2). Tried restarting with only one stick in B2 slot. Result: no change.
2. Removing CMOS battery for 2 minutes. Result: no change.
3. Using Flashback mechanism to reflash BIOS. Tried reflashing with latest version 3.01 Result: no change.
4. Using Flashback mechanism to reflash BIOS. Tried reflashing with v2.02. Result: no change.
5. Disconnect external GPU card. Result: no change
Any other ideas?
Config
*ASRock X670E Steel Legend ATX AM5 Motherboard
*AMD Ryzen 9 7950X3D 4.2 GHz 16-Core Processor
*CORSAIR Vengeance 64GB (2 x 32GB) 288-Pin PC RAM DDR5 6000 (PC5 48000)
*Asus TUF GAMING OC GeForce RTX 4090 24 GB Video?Card
*Western Digital Black SN850X 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid?State?Drive
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Replies:
Posted By: johnukguy
Date Posted: 07 Jun 2024 at 7:04am
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Reset the CMOS using the jumpers on the board. Then try a single stick in other slots, not only the B2 one.
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Posted By: johnukguy
Date Posted: 07 Jun 2024 at 7:09am
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Also, once you are in the BIOS, do not leave it at default settings as it is unlikely to post. Set XMP and secure boot, disable CSM and so on.
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