AMD Motherboards - Fatal1ty B450 ITX Wake On LAN power led behavior

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Fatal1ty B450 ITX Wake On LAN power led behavior

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=10780
Printed Date: 14 Aug 2025 at 10:47am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Fatal1ty B450 ITX Wake On LAN power led behavior

Posted By: TomDc
Subject: Fatal1ty B450 ITX Wake On LAN power led behavior
Date Posted: 27 Jan 2019 at 2:33am

Hi,

I have the Fatal1ty B450 Gaming-ITX/ac motherboard with and AMD 1500X processor and an EVGA 1050 Ti graphics card. I have two problems with this board.
When I shut down Windows:

1) The power LED stays on when I disable Deep Sleep mode in the BIOS. In this case WOL feature is working.

2) The power LED goes out, when I enable Deep Sleep mode in the BIOS. But now WOL is not working.

In the above two cases I enabled "PCIE Devices Power On" in the BIOS.

3) When the system is shut down both: LED off and WOL working together, I don't get it working.

I disabled "Fast Startup" in Windows 10 1809.
BIOS version: 1.70

Someone having a clue?

Replies:

Posted By: ooozzz
Date Posted: 06 Sep 2020 at 5:06pm

PCIE devices power on need to be enabled only if you use external LAN card.
If you use LAN on motherboard, you need to turn on Boot from onboard LAN on BOOT menu.