AMD Motherboards - B450M Pro4 Ethernet not working

Print Page | Close Window

B450M Pro4 Ethernet not working

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=14526
Printed Date: 18 Jul 2025 at 8:21am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: B450M Pro4 Ethernet not working

Posted By: dartacao
Subject: B450M Pro4 Ethernet not working
Date Posted: 29 May 2020 at 5:33pm

Hello,

I mounted the PC, installed windows and evrything is working except the ethernet controller. It doesn't even appear on device management on windows and has no lights. Completely off.

Any idea what could be?

Already reset CMOS but no results...

Regards