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How to Install the TP-Link Archer T4U Plus AC1300 USB WiFi Adapter on Linux Mint

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The following steps will install the Linux Mint driver for the TP-Link Archer T4U Plus AC1300 USB Wifi adapter.

Installing the TP-Link Archer T4U Driver

Open a Linux terminal and run the following commands to download and build the driver.

sudo apt-get install build-essential dkms git clone https://github.com/Mephysto666/rtl8822bu

rtl8822bu sudo dkms add

You should see the following output:

Creating symlink /var/lib/dkms/88x2bu/1.1/source ->
                 /usr/src/88x2bu-1.1

DKMS: add completed.

Run the following command to install the driver.

sudo dkms install -m 88x2bu -v 1.1

You should see the following output:

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area...
'make' all KVER=5.4.0-66-generic.....................................................................................
cleaning build area...

DKMS: build completed.

88x2bu.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/5.4.0-66-generic/kernel/drivers/net/wireless/

depmod...

DKMS: install completed.

Restart the NetworkManager with the following command.
```
sudo service NetworkManager restart
```

You should now be able to see the new TP-Link 802.11ac NIC in the Wifi Connections in the bottom-right corner of your desktop. Optionally, you can right-click the Wifi icon in your system tray and select Network Settings to see the new TP-Link Wi-Fi adapter listed.

Upgrade Steps for Newer Linux Kernels

8/26/2022

Linux kernel 5.15.0.58-generic and Linux Mint 21 Venessa / Vera use the following driver installation steps.

Using with an xfinitywifi Hot Spot

After installing the driver and successfully connecting to your new adapter, you may choose to connect to the xfinitywifi hotspot, which requires a login before providing Internet access.

If you attempt to access the Internet from Chrome, you may see an error ERR_QUIC_PROTOCOL. The solution to this is to login to the xfinitywifi service, as shown below.

In Chrome, navigate to chrome://flags
Search for Experimental QUIC protocol.
Select Disable.
Navigate to any web page and you should be directed to the xfinitywifi sign-in page.
Enter your account login to connect to the Internet.

If the sign-in button fails to work, open Firefox and repeat steps 4-5.