GNU/Linux Mint Realtek rtl8814AU Wifi Driver Setup Guide
Hi! The Tutorial Shows You Step-by-Step How to Install Realtek rtl8814AU WiFi Driver in GNU/Linux Mint 18.x/19.x/20.x LTS Desktop.
And this Realtek rtl8814AU Driver Linux Mint 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.

1. Launching Shell Emulator
Open a Terminal window
(Press “Enter” to Execute Commands).sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.2. Installing Requirements
Then to Install Required Packages
First, preferably Upgrade your System with:sudo apt update && sudo apt upgrade
In this case then Reboot it using:sudo reboot now
Then 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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