Intel Motherboards - Z270 SLI/AC Killer GPU Issue

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Z270 SLI/AC Killer GPU 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=9514
Printed Date: 08 Aug 2025 at 3:08pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Z270 SLI/AC Killer GPU Issue

Posted By: cornelp
Subject: Z270 SLI/AC Killer GPU Issue
Date Posted: 25 Aug 2018 at 12:57pm

" rel="nofollow - So, I have an ASRock Z270SLI/AC Killer Motherboard.
I have 2 MSI RX580 Armour OC GPUs. The first GPU closest to the CPU slot works fine, no issues. The second GPU will not work at all. I can see the GPU in windows and it shows up in Device Manager, but no games or software uses it, and when I go into MSI AfterBurner, it shows the memory, Fans, Temp for the 1st GPU, but not for the second GPU. The Second GPU is cold when I touch it, so I know it does not work.
If I switch the GPUs, 2nd GPU goes into slot closest to the GPU, and 1st GPU goes into the secondary PCI-Ex Slot, then the 2nd GPU wont work, but the first will work, so its not the GPU, guaranteed.
Has anyone had this problem before? And how did you fix it?
I appreciate the support.
Thanks....