The Linux driver for this particular dongle is “rtl8812au”, and that’s why the installation video on the company’s website is called “Install the Realtek rtl8812au Wifi Driver in Linux”. If you Google it, you will find a couple of tutorials showing you how to install the Linux driver via git.
This fix is for realtek wireless drivers to stop dropping wireless or not working at all To determine your model in a terminal type> inxi - n Models Supported rtl8188ee rtl8192c
rtl8192ce rtl8192de rtl8192ee rtl8192se rtl8723ae rtl8723be rtl8821ae I have the rtl8723be wireless and this fix stopped the wireless drop out In a terminal type the following commands
1. sudo apt-get install linux-headers-generic build-essential git 2. git clone https://github/com/lwfinger/rtlwifi_new 3. cd rtlwifi_new 4. make 5. sudo make install 6. sudo modprobe rtl8723be rtl8723be was my wireless ..change rtl8723be to your model Thats is all there is to it .. this info was updated from info obtained from ubuntu forums