AMD Motherboards - Can't enable both Dedicated and onboard graphics

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Can't enable both Dedicated and onboard graphics

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=13707
Printed Date: 08 Aug 2025 at 1:31pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Can't enable both Dedicated and onboard graphics

Posted By: TriangleGod
Subject: Can't enable both Dedicated and onboard graphics
Date Posted: 23 Feb 2020 at 5:53am

Hi everyone... I have recently bought an ASRock B450 Steel Legend motherboard... I wanted to plug two of my hdmi displays in my pc, but my graphics card only has one hdmi output, my mobo has a hdmi input but it doesn't work ... I can't seem to find any way to activate both ports. All the solutions I find online say to find certain sections in the bios that I don't have.

Any solutions? Thanks all of you in advance

Replies:

Posted By: Ray62
Date Posted: 23 Feb 2020 at 10:38am

You didn't tell which CPU you are using...

There is no onboard graphics.
The connectors are just for using an APU (CPU with integrated grahics) like the Ryzen 5 3400G:
- Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU

So if you don't have an APU you cannot use the on board hdmi output.

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Under test:
MSI X570_MEG_ACE | AMD Ryzen 9 3900X | Scythe Mugen5 | 2x16GB F4-3200C14D-32GTZ@3466 | ASUS GeForce GTX 1080 Ti FE

Posted By: ThreeDee
Date Posted: 23 Feb 2020 at 11:41pm

There are a plethora of different cables out there you use off of your video card too to convert DVI to HDMI .. Display Port to HDMI ..etc

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|Ryzen 5 5900|ASRock X570 Taichi-BIOS 4.60|2x16GB HyperX Predator RGB 3200@3600 1:1 IF|ASRock RX 6700XT|2 x PCIe 4.0 M.2 Drives for OS & Games|850 WTT Seasonic 80+ Titanium PSU|Noctua NH-D15|