B450 Gaming-ITX video out off/on
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=19456
Printed Date: 08 Aug 2025 at 7:03am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450 Gaming-ITX video out off/on
Posted By: mcssi
Subject: B450 Gaming-ITX video out off/on
Date Posted: 22 Aug 2021 at 4:52am
Started assembling system with Ryzen 3200G on just-unwrapped Fatal1ty B450 Gaming-ITX/ac today. Upon boot, in BIOS (3.7), video display keeps turning off sporadically. Near impossible to use, but managed to upgrade to BIOS v4.2 -- no change in display behavior. Tried different RAM and PSU, all working in other systems: NO CHANGE. Driving me crazy.
ANYONE have similar problem & solved it???
Is this only RMA-able??
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Replies:
Posted By: Khun_Doug
Date Posted: 23 Aug 2021 at 4:25am
How far into the install/setup do you get? What type of monitor are you using, and how is it cabled?
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Posted By: mcssi
Date Posted: 23 Aug 2021 at 4:46am
Thanks for asking Khun_Doug:
HDMI to HDMI, same cable used for 2 other systems at that desk, no problems with either cable or monitor. Upgraded the BIOS to 4.6 (latest) and still no joy. Also tried other RAM, other PSU, and a new CPU -- Ryzen 5600G: none work with the onboard video.
I installed a VGA card in the PCIe 16x slot, and hooked up the monitor to it. The result was exactly as expected -- it works perfectly. So the problem really seems to be in the motherboard, in the onboard graphics section. Can't be in the CPU, as I tried 2 of them.
The intermittent nature of the problem makes me hope some obscure thing can fix it, but I'm starting to think it can only be fixed at the factory.
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Posted By: mcssi
Date Posted: 23 Aug 2021 at 4:47am
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Oh, and with the add-on VGA cared, W10 Pro got installed/updated without a hitch. But switch back to onboard, and the problem comes right back.
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