AMD Motherboards - USB-C questions for B550 Steel Legend

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USB-C questions for B550 Steel Legend

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=25735
Printed Date: 30 Jul 2025 at 3:46pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: USB-C questions for B550 Steel Legend

Posted By: ptselios
Subject: USB-C questions for B550 Steel Legend
Date Posted: 06 Apr 2023 at 9:19pm

Hello everyone,
The B550 SL info page says that the MB supports only 2 display outputs, the DP and the HDMI. Should I forget a 3rd display output from the USB-C?

Replies:

Posted By: eccential
Date Posted: 06 Apr 2023 at 9:46pm

No support for USB-C Alt-mode.
Therefore, no DisplayPort through USB-C.

Posted By: fyujijat21
Date Posted: 08 Apr 2023 at 12:02pm

can confirm on my galaxy s10 , s20+ and my mech keyboard that has usb type c connector that it works properly. Try a different cable maybe? what bios are u on? upon reading countless threads i have stumbled upon some that reports they are experiencing frequent usb disconnects

Posted By: ptselios
Date Posted: 08 Apr 2023 at 5:22pm

The USB connection works just fine, I can use it with my disk. The question is if it's possible to use the USB-C as a 3rd display output, apparently not.

Posted By: fyujijat21
Date Posted: 18 Apr 2023 at 9:46pm

No support for USB-C Alt-mode.
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