The following outlines the procedure to install the “rtl8814au” driver for Linux Mint 19.2
The kernel recommended is 5.0 or greater.
sudo apt install build-essential sudo apt install bc sudo apt install linux-headers-$(uname -r)
sudo apt install git
dkms sudo apt update && sudo apt upgradegit clone https://github.com/
tpircher/rtl8814AUcd rtl8814au
make
sudo make install
sudo cp -R . /usr/src/rtl8814au-4.3.21 sudo dkms build -m rtl8814au -v 4.3.21 sudo dkms install -m rtl8814au -v 4.3.21