AB350 Pro4 CPU Power Issue
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=6009
Printed Date: 24 Jun 2024 at 2:42am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: AB350 Pro4 CPU Power Issue
Posted By: seahawksfan
Subject: AB350 Pro4 CPU Power Issue
Date Posted: 06 Sep 2017 at 9:51am
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" rel="nofollow - Hi all, I'm having an odd issue. When I plug the CPU 8 pin power into the motherboard, ev. spins up fine and then the motherboard/computer shuts down and powers back up on it's own. When I boot up without the CPU power in it appears fine - although doesn't post. I have everything imaginable including messing with the memory, removing the heatsink, removing the CPU and replacing it. The power supply is a Cooler Master 500w, Ryzen 3 and Corsair Dual 4GB Mem. Any ideas? Thanks.
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Replies:
Posted By: parsec
Date Posted: 06 Sep 2017 at 10:18am
The test without the CPU power cable connected is not valid, since the CPU does not run at all. Have you cleared the UEFI/BIOS with the jumper on the board? So does the PC start at all, after the board starts, stops, and then starts again? Or does it continually repeat the start - stop cycle? Do you have an OS installed? Does the PC run normally after a start - stop - start cycle? What is the full model name/number of your PSU? What video card are you using? Sorry but not much detail in your description, difficult to know exactly what is happening. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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seahawksfan wrote:Posted By: seahawksfan
Date Posted: 06 Sep 2017 at 10:22am
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" rel="nofollow - Sorry I was so vague. I have cleared the CMOS, no difference. I do not get video at all, even with an older card. The card I am trying to use is an ASUS Dual Radeon 580. I have the PCIE power into it, however the fan doesn't run...not sure if that's a function of my all around issue. I do have Win 10 installed on the hard drive, but I even tested without the hard drive plugged in and I get the same result. PSU is a Cooler Master Materwatt Lite, 500 watt, Full Range. Is it possible 500 watts is just not enough? Could that be why it's doing this?
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Posted By: wardog
Date Posted: 06 Sep 2017 at 10:46am
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Without us knowing you system parts list, that'll be impossible to answer. |
Posted By: seahawksfan
Date Posted: 07 Sep 2017 at 9:50am
| I am being told it's the CPU, we shall see. |