AMD Motherboards - TB3 AIC Not powering up

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TB3 AIC Not powering up

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=19794
Printed Date: 08 Aug 2025 at 1:41am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: TB3 AIC Not powering up

Posted By: dfbpurcell
Subject: TB3 AIC Not powering up
Date Posted: 07 Nov 2021 at 10:12am

x570 taichi razer edition
gigabyte alpine ridge 2.0 tb3 aic
5950x
6900xt

I have been diagnosing a thunderbolt issue for a few weeks and have narrowed it down to the aic not powering up at all. It worked great for 3 weeks, then stopped working at all for a week, then worked for 3 days, now there's nothing again. No software or hardware changes were made. It just has a mind of its own. I bought a new macbook and cable to test out my thunderbolt devices and I have confirmed they all work fine on the mac but there is either a problem with the motherboard or the tb3 aic. It only powers on when it wants to! please help!