AMD Motherboards - Strange boot behaviour from USB

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Strange boot behaviour from USB

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=15263
Printed Date: 19 Jul 2025 at 5:04am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Strange boot behaviour from USB

Posted By: Erhnam
Subject: Strange boot behaviour from USB
Date Posted: 20 Aug 2020 at 1:42am

Hi

Im booting unraid from a usb on my Fatal1ty B450 Gaming K4.
Everytime i reboot the USB device disappears from Bios. Only way to get it going again is to change usb port or remove and insert it.
Need some tips to what i can test in bios.

I have disabled fastboot. I have tried using only usb 2 ports. I have removed all other storage devices from the boot order.