Step-by-step – Realtek rtl8812au Driver Ubuntu 21.04 Installation

April 8, 2021 | By the+gnu+linux+evangelist | Filed in: Tutorial.

GNU/Linux Ubuntu 21.04 Realtek rtl8812au Driver Setup Guide

Hi! The Tutorial Shows You Step-by-Step How to Install Realtek rtl8812au WiFi Driver in Ubuntu 21.04 Hirsute GNU/Linux.

Especially relevant: this Realtek rtl8812au Driver Ubuntu 21.04 Setup should be working also after a Kernel Upgrade with the Dkms integration.

Finally, 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
Step-by-step – Realtek rtl8812au Driver Ubuntu 21.04 Installation
  1. 1. Launching Shell Emulator

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

    Step-by-step Realtek rtl8812au Driver Ubuntu 21.04 Installation - Open Terminal Shell Emulator
    Refresh 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. Removing Default Driver

    Then in case to Remove Ubuntu Repo rtl8812au Driver
    With:

    sudo apt remove rtl8812au-dkms

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