Asrock B450m-HDV and Ryzen 5 2400G Dual Monitor
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=10979
Printed Date: 18 Jul 2025 at 8:22am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Asrock B450m-HDV and Ryzen 5 2400G Dual Monitor
Posted By: Kilika
Subject: Asrock B450m-HDV and Ryzen 5 2400G Dual Monitor
Date Posted: 27 Feb 2019 at 10:19pm
Hello, everyone,
I'm having a problem setting up my newly built computer with Dual-Monitor setup. I can run single monitor fine with either VGA or DVI, but I can't do both at the same time. I've updated the motherboard to the latest BIOS. 1920x1200 and 1280x720. Any advice? Setup worked fine in my old setup running Gigabyte and A8.
Ryzen 5 2400G
Asrock B450m-HDV
Thank you.
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Replies:
Posted By: Newenida
Date Posted: 04 Mar 2019 at 1:56am
Hi,
I'm having a similar issue. I have:
Ryzen 5 2400G
Asrock b450m pro4
In previous setup (amd phenom II x4, gigabyte ga 970a-ud3 and Radeon 6870) I had two monitors (one DVI-d and the other HDMI). I was hoping that the new configuration will also be able to run with two monitors, but only HDMI is working.
I am thinking about plugging old Radeon just to run the second monitor, but it's a quite old card now and I don't know how it will affect performance. Is there a possibility to have two monitors on my Asrock and ryzen, or should I buy graphics card? For my type of computer usage, it's not necessary to have a separate card.
Thanks
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Posted By: xhue
Date Posted: 04 Mar 2019 at 5:05am
Well, ASRock state the mobo should support multiple monitors simultaneously. Other on the web claim they are currently running 2 monitors on the same mobo.
Maybe your mobos are faulty or something? Best thing - RMA if you can.
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Posted By: Newenida
Date Posted: 10 Mar 2019 at 6:39pm
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Update - in my case helped to reinstall current drivers. At first, I installed drivers for mobo from the website, but it is better working with those from cd
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Posted By: xhue
Date Posted: 10 Mar 2019 at 8:07pm
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Protip - when talking about GPU, chipset drivers, always download them directly from manufacturer's site (not OEM or similar), e.g. AMD, nividia, etc.
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Posted By: cherylldc
Date Posted: 14 Mar 2019 at 10:19am
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i have simimmilar to, but weird, i also use ext gpu, but when want to use both, it have to set int primary at bios, after that, onboard vga i use dvi-sub, booting its normal, monitor turn on on dvi, but when came into win10, dvi-sub monitor go off, at display setting, not show monitor conected, but if i check at device manager, my monitor plug well, this is very annoying, make me confuse
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