Intel Motherboards - Z370 Pro4 Fan Issue

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Z370 Pro4 Fan Issue

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=6831
Printed Date: 03 Aug 2025 at 7:56pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Z370 Pro4 Fan Issue

Posted By: thunderclap
Subject: Z370 Pro4 Fan Issue
Date Posted: 05 Dec 2017 at 10:56pm

" rel="nofollow - I upgraded my PC to the i7-8700k and am using the Z370 Pro4 motherboard with 2 8GB G.Skill memory. I have the case fans set to silent in the BIOS. Everything is running fine for the most part, but from time-to-time when I either wake the PC from sleep or power it on if I've turned it off completely, the case fans rev up to full speed and won't stop. It doesn't happen all the time thankfully, and I can usually fix it by rebooting Windows, but I'm curious if anyone else has experienced this problem and was able to fix it. Is it a bug in the BIOS? I'm running v1.30.

Replies:

Posted By: das
Date Posted: 12 Dec 2017 at 2:15pm

yes it is a bug on the bios, some fan controllers are not well controlled by asrock boards. the noctua 140mm pwm for example.

you should email asrock support about that, they may add it. i am testing an asus board because 1.40 dudnt fix the problem with the 140mm

Posted By: FragUPlenty
Date Posted: 19 Mar 2018 at 6:39am

I am having this exact same problem right now with the h7 quad lumi on an i7 8700 k