Bootloop Asrock B450M Pro4
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=15007
Printed Date: 10 Aug 2025 at 10:45pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Bootloop Asrock B450M Pro4
Posted By: Jack
Subject: Bootloop Asrock B450M Pro4
Date Posted: 21 Jul 2020 at 5:24pm
Hi...
Since a few weeks I have a
Asrock B450M Pro 4
Ryzen 7 2700X
4 times G.Skill F4-3200C 16D-32GIS DDR4 3200 CL 16-18-189-38 @1.35Volts
The RAM is Intel XMP 2.0 ready
Works well on the board from beginning on
With dual boot WIN 7Pro and WIN 10Pro
Last Friday i tested XMP Profile in BIOS of the Board.
Since than the Board never boot right and loop or do nothing according to whether I use 1,2,3 ore 4 RAM Modules
Change to another RAM do not help.
In some cases the Boar beeps 3 times
C-MOS clear do not work ...
Any Idea?
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Replies:
Posted By: kschendel
Date Posted: 22 Jul 2020 at 12:39am
A full cmos reset should take you back to factory defaults. Check your manual on how to do that properly. If that doesn't work I'd say the board is broken.
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Posted By: Jack
Date Posted: 22 Jul 2020 at 4:39am
I have tried every regular Bios and C-MOS reset Methodes.
They dont work.
But how is it possible that a simple and legal setting of parameters in BIOS destroy the Board?
I have found a very tiny SPI connector on board.
I think it is used to program the BIOS Chip.
Has somebody any informations about this programming?
Maybe under the Use of a Raspberry or Arduino?
Or any other Eprom programmer?
If everything does not help, I will probably have to make use of the warranty
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