Z87 Pro3 wont start when warm
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=3880
Printed Date: 22 Jul 2025 at 1:51am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Z87 Pro3 wont start when warm
Posted By: kreilgaard
Subject: Z87 Pro3 wont start when warm
Date Posted: 26 Nov 2016 at 4:41pm
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" rel="nofollow - My current setup consist of: DVD: Samsung SH-224DB DVD-RW HD: 1 TB Seagate Barracuda ST1000DM003 SSD: 120 GB SSD Samsung 840 EVO Motherboard: Socket 1150 ASRock Z87 Pro3 Memory: 4x4096 MB DDR3 1866 MHz CL9 G.Skill CPU: Intel Core I5-4670K 3.4 GHz Graphics: ASUS AMD R9 270X 2GB DDR5 PWS: Corsair Builder Series CX600 V2 - 80 PLUS Bronze Case: NZXT Tempest 210 OS: Win 10 64bit Generally, the PC runs fine at stock speeds (no OC). However, when it's been shut down after use (when warm), it won't boot. When started, there is no power supply to peripherals incl signal monitor, and it goes into a loop state where where the fans turn on for 5-10 s at a time. If I leave it to rest for a couple of hours, everything is fine again. If I just reboot from Windows, without shutting down, there's no issue. I have systematically tried to unplug the DVD, HD, RAM modules, exchange graphic card without luck. So I suspect it it either the CPU or motherboard. I bought a new CPU cooler as I thought it could be due to an overheating protection of some sort (also tried to disable it in the BIOS). CPU temp is 44 dgr C. Any suggestions? BR Mads |
Replies:
Posted By: Xaltar
Date Posted: 26 Nov 2016 at 4:53pm
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" rel="nofollow - My first question is how old is your PSU? Generally with things like this (powering up) the PSU is the first thing to test/replace. If you have another PSU on hand I would try switching it in before we look anywhere else. PSUs lose efficiency over time and voltages droop more and more. Let us know how it goes. ------------- 
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Posted By: kreilgaard
Date Posted: 27 Nov 2016 at 4:13pm
| The PSU is around 3 years old |
Posted By: wardog
Date Posted: 27 Nov 2016 at 7:26pm
I agree with Xaltar. First thing I'd do is swap in an up to the task known good PSU and see if it acts up again. |
Xaltar wrote:Posted By: kreilgaard
Date Posted: 11 Dec 2016 at 11:21pm
| Thanks - you were right about the PSU. Motherboard all fine :-) |