Intel Motherboards - Only 1 out of 2 wifi antennas seems to be working

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Only 1 out of 2 wifi antennas seems to be working

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=9079
Printed Date: 08 Aug 2025 at 6:58am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Only 1 out of 2 wifi antennas seems to be working

Posted By: Dodel
Subject: Only 1 out of 2 wifi antennas seems to be working
Date Posted: 05 Jul 2018 at 3:19am

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Hi!

My motherboard: Asrock Z370M-ITX/ac

Driver: intel dual band wireless-AC 3168, version 19.51.13.2 (2018-04-29)

I have two wi-fi antenna connections on my motherboard. Lets call then connection A and B. A is located closer to the mobo and B further away. Only connection A seems to be working.

I would like my wi-fi to work better that it does at the moment, and I suspect if both antennas worked connection would be better. I need your help!

Here are some examples of different set ups I have experimented with:

1) Antenna connected to A only: wifi works

2) Antennas connected to both A and B: wifi works

3) Antenna connected to B only: no wi-fi:s can be found

4) Antennas connected to both A and B, but antenna A covered in aluminium foil: barely works-extremely weak signal.

I have tried all possible combinations of antennas / antenna connections.

The same test has been made on another Z370M-ITX/ac motherboard with the same results.

Does anybody know why B doesn't seem to work/be active?

cheers

Gustav