AMD Motherboards - new K4 BIOS breaks feature

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new K4 BIOS breaks feature

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=11121
Printed Date: 27 Jul 2025 at 2:02pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: new K4 BIOS breaks feature

Posted By: asp
Subject: new K4 BIOS breaks feature
Date Posted: 17 Mar 2019 at 11:15am

(new BIOS breaks dGPU HDMI Audio)

Fair warning, I have been messing around with the new 3.10 BIOS for B450 K4 Gaming motherboard, which was sporting dual video including 2400G iGPU and Vega64 dGPU, but with this new BIOS, no matter how I set the various options in BIOPS, including what worked before, and all other manner of enabling and disabling GPU and Audio, there appears no way to get Windows to even see that the dGPU has audio.

Replies:

Posted By: asp
Date Posted: 17 Mar 2019 at 7:38pm

This issue possibly linked to the following issue:

http://forum.asrock.com/forum_posts.asp?TID=10985