rtl8812au Driver Elementary OS Installation – Step-by-step

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

GNU/Linux Elementary OS Realtek rtl8812au Driver Setup Guide

Hi! The Tutorial Shows You Step-by-Step How to Install Realtek rtl8812au WiFi Driver in Elementary OS 5+ GNU/Linux Desktop.

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

Please be aware of how this Driver is Not supporting all the Linux Kernels range, so in case of issue consult the available Online Documentation.

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
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  1. 1. Launching Shell Emulator

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

    Step-by-step Realtek rtl8812au Driver Elementary OS 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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