Score:2

What steps do I take to resolve wifi slowness on my Ubuntu 22.04.1 desktop?

us flag

I currently see very bad speeds on my Ubuntu 22.04.1 desktop:

speedof.me slowness

However, comparing that to the speed test directly on my router, you can see that high speed is coming into my router:

wifi router speedtest

Mac Mini

Connected to the same same wifi router I have a mac mini 2014 which sees the speeds as:

mac mini speed

What steps should I take to test where the problem is?

Archerbob avatar
sy flag
What router are you using? Do you have QoS enabled or is your Mac Mini hogging all the bandwidth and leaving little for other devices. If you don't have or don't want to use QoS you should be able to go into your router settings and set caps on the amount of bandwidth a given device can use in order to free up bandwidth for other devices.
cc flag
For a comparison, you should be using the same test server.
raddevus avatar
us flag
I will check those settings & keep this in mind. Thanks
raddevus avatar
us flag
Yes, that is a very good point. I hadn't noticed that test server had changed until after I took snapshot.
Score:2
us flag

1. First, check out your wifi connection settings under Settings...Wifi...

(some details obfuscated)

wifi net settings

a.) I removed the check on Make available to other users.

2. Notice that the details shows [Supported Frequencies] 2.4GHz / 5GHz I want to auto connect to my 5GHz network (for higher speeds).

3. Select the Identity tab. (details obfuscated)

wifi identity tab

I notice there are two choices in the BSSID drop box. I'm guessing that one of these is 2.4GHz & the other is 5.0GHz.

I selected the first one and re-ran the speed test.

Now I see much better numbers:

speedof me after changes

Score:0
jp flag

If you can access your router admin page. Under the Wireless settings you may find the option called Channel Width. If it is set to 20 MHz or 20/40 MHz change it to just 40 MHz. It should most likely fix the issue. I did the same to fix my slow network problem.

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