Why does using M1 Macbook air in closed-clamshell mode affect the Wifi?

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Level 1

5 points

Why does using M1 Macbook air in closed-clamshell mode affect the Wifi?

I am using M1 Macbook Air and when I connect it to an external display connected over HDMI cable, the wifi speed slows down tremendously. I don't know how these two are related to each other, but I've tested it multiple times and using it in closed clamshell mode definitely affects the wifi speed.

This is my Macbook book in its regular state:

And this is my Macbook in closed clamshell:

As you can see it won't even connect to the test server for the speed test..... Super frustrating...

Posted on Mar 2, 2021 6:12 PM

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Answer 1

Axel Foley

Level 10

149,790 points

Mar 2, 2021 7:43 PM in response to aidenhsy

I am sure that you have noticed that your Wi-Fi speed is EXTREMELY SLOW to begin with even in the regular open lid state. You are only getting 2.88 Mbps Down and only 0.79 Mbps Up.

When your lid is closed then is your MacBook Air still connected to the Wi-Fi Network? You can verify that on your external screen. If you are connected then are you able to load pages in a browser even though it may be even slower?

I am not so sure whether you have a fast enough connection to test and troubleshoot the clamshell mode.

Axel F.

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Why does using M1 Macbook air in closed-clamshell mode affect the Wifi?

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