Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?

Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-04-30 03:40:02
Model:Adapter
Hardware Version:
Firmware Version:

Bought a Archer T2U Nano to hook up to my desktop Windows 10 PC and I'm getting lousy speeds in comparison to every other device I have and I have no idea why.

 

I have a fibre connection so I'm capable of getting speeds of 170-200 Mbps on my phone and macbook, but on the desktop with the T2U Nano... ~80-100 Mbps. 

 

At first I thought there was something wrong with the device, but I plugged the device into my macbook and.... the speeds were fantastic and equivalent to that of every other device I own! The macbook was in the same area as my desktop and speeds were just as good.  

 

I've gone through all sorts of generic 'windows internet is slow' articles and done all that. No real difference there. I'm convinced that there's some interplay between this adaptor and windows 10 that's the problem. 

 

I've updated my bios and usb drivers.

 

So why on earth is this adapter doing so poorly on my Windows 10 desktop? 

 

 

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#1
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7 Replies
Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-04-30 16:49:56

@Tiktaalik 

 

Given you were able to narrow it to the computer, try the following:

 

-Disable or remove any security software that the Windows computer may have. That has shown in the past affecting speeds.

-Try all the USB ports available on the computer as the one being used may have issues.

-Make sure you are using the latest driver by visiting our official website.

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#2
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Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-04-30 19:01:51 - last edited 2020-04-30 19:02:36

@Tony 

 

Good ideas. 

 

Security Software:

- I don't have any other than Windows Defender. Tried disabling the virus protection and firewall protection. No change. Today particularily bad and getting ~50 Mbps.

 

Regarding any other software, at this point I've shut down everything that's running in the toolbar. 

 

USB

- unfortunately one of the first things I tried. I've tried a variety of ports both front and back. 

 

Driver

No change.

 

I had already updated the driver as one of the first things I tried, but decided this time to try going to DeviceManager, uninstalling the device, THEN installing the driver. No difference. I downloaded Archer T2U Nano(UN)_V1_190527_Win10 from this link. https://www.tp-link.com/us/support/download/archer-t2u-nano/#Driver. I assume this the most up to date driver? 

 

The router I have seems to have three access points, but only shows one to the end user.

 

When I connect on my Mac and option-click on the wifi signal to look at the settings, I can see that I've connected to the 802.11ac connection on channel 52 (5Ghz, 80 Mhz). The Tx Rate is 585Mbps. 

 

When I do the same on my PC I can see through the Hardware Properties of the connection that I've connected to the Channel 1, 2.4Ghz 802.11n signal and the speed I can view from the Network Connections is 72.2Mbps. 

 

Using WifiInfoView I can view the details of the 5ghz 802.11 n/ac connection that my Mac connects to. WifiInfoView deems the average signal quality at ~74 though in the task tray the wifi signal only has 2 full lines instead of 3. Using this app I can force a connection to the same 5ghz access point but when I do this I get incredibly bad speeds ~ 2.0Mbps.

 

For some odd reason, it seem like on this PC the adaptor is really unable to sort out the available 5Gz connection that the Mac is able to use. The odd thing is that when I use this same adaptor on the Mac it works fine and just as well as the built in Mac wifi. 

 

So is there some issue with the driver on the PC?

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#3
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Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-04-30 22:15:32

@Tiktaalik 

 

I think you found it, the adapter keeps connecting to the 2.4Ghz while others are on the 5GHz. 

 

Try and see if you can modify the properties of the adapter to make it connect to the 5GHz instead.

 

I do not have access to a T2U right now, but see if that option may be there (network connections, right-click the connection, click properties, click on configure, go to advanced) > :

 

 

 

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#4
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Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-04-30 23:27:30 - last edited 2020-04-30 23:28:07

@Tony 

 

Sadly the problem remains that for some odd reason, even when forced onto 5Ghz, the speed is insanely bad, worse than when on 2.4Ghz. 

 

I don't have your option you have there to set a 'preferred' band, but I do have an option in that config menu to force it to n/ac. When I force it to n/ac the speed is sub 20 Mbps. 

 

If it weren't for the fact that while on the mac the adaptor can easily connect to 5Ghz and gets great speeds, I'd think I had a busted adaptor. Instead I have to assume there's some odd interplay with Windows or the PC hardware going on here. 

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#5
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Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-05-01 17:51:05

@Tiktaalik 

 

With our Deco mesh systems, you can create a guest network and disable either band. Are you able to do that where you make a new wireless network name, and disable the 2.4GHz?

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#6
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Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-05-01 18:58:23

@Tony 

 

I did try disabling 2.4ghz on the router but yeah no impact. It's not a great fix anyway since I have devices that I want to use which can only use the 2.4ghz band.

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#7
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Re:Archer T2U Nano woefully slow on my Windows 10 desktop, but fine on my Macbook?
2020-07-12 04:45:42

@Tiktaalik have you resolved this? Im in the same boat

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