Intel Motherboards - How to force which graphic card to use during POST

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How to force which graphic card to use during POST

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=9774
Printed Date: 11 Aug 2025 at 2:43pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: How to force which graphic card to use during POST

Posted By: jyavenard
Subject: How to force which graphic card to use during POST
Date Posted: 27 Sep 2018 at 6:03pm

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So I'm trying to run the following setup with an ASRock x299 Professional Gaming XE board:

In Slot 1 (closest to the CPU) I have a nvidia 1080Ti.

In Slot 3, I have an AMD Vega Frontier Edition.

I have 3 screens, all connected to the AMD vega. (The AMD is my preferred card for the work I do)

With this setup, I won't see anything during POST. The screens only become active once Windows has booted.

To access the BIOS settings, or see anything while booting, a screen must be connected to the nvidia card. It always use that card as default which I don't want to.

Is there a way to configure which card is going to be used for POST and BIOS settings? I can do that with my Gigabyte Designare MB.

Ideally, I would even like to fully disable this card in the BIOS if need be, like it wasn't even installed. But I haven't found a way yet.

Any help would be greatly appreciated.

Thank you

Replies:

Posted By: Animalm4st3r
Date Posted: 28 Sep 2018 at 5:44am

Thats the first time ever that hey heard of someone trying to Use AMD and Nvidia GPU's outside of mining cause as far as i know that only works under certain cicumstances with specific motherboards and software

Posted By: Animalm4st3r
Date Posted: 28 Sep 2018 at 5:45am

During Boot the System only displays the POST Screen on IGPU or the Primary Graphics adapter wich is always the one in Slot 1