rtl8814AU Driver Ubuntu 21.10 Installation – Step-by-step

September 26, 2021 | By the+gnu+linux+evangelist | Filed in: Tutorial.

GNU/Linux Ubuntu 21.10 Realtek rtl8814AU Wifi Driver Setup Guide

Hi! The Tutorial Shows You Step-by-Step How to Install Realtek rtl8814AU WiFi Driver in Ubuntu 21.10 Impish GNU/Linux.

And this Realtek rtl8814AU Driver Ubuntu 21.10 Setup should be working also after a Kernel Upgrade with the Dkms integration.

Moreover, from the Realtek Support Driver Website comes out that it may be working for all the following Chipsets:

  • RTL8192EU
  • RTL8811AU
  • RTL8811CU
  • RTL8812AU
  • RTL8812BU
  • RTL8814AU
  • RTL8821AU

Especially relevant: this setup is bound to a limited Kernel Range, for more insight see directly the Developers Docs.

Finally, in case the Interface do Not work after a successful Driver setup then you may see instructions about to Update Realtek rtl8814AU Linux Firmware.

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  1. 1. Launching Shell Emulator

    Open a Terminal window
    (Press “Enter” to Execute Commands).

    Step-by-step Realtek rtl8814AU Driver Ubuntu 21.10 Installation - Open Terminal Shell Emulator
    And update the Apt Sources:
    sudo apt update
    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.
  2. 2. Installing Requirements

    Then to Install Required Packages
    First, possibly Remove the rtl88xxau Driver:

    sudo apt remove realtek-rtl88xxau-dkms
    Cause the rtl8814au Chip Support is disabled in this Software.
    Then preferably Upgrade your System with:
    sudo apt update && sudo apt upgrade
    In this case then Reboot it using:
    sudo reboot now
    Again run:

    sudo apt install build-essential linux-headers-$(uname -r) dkms unzip git
    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.

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