$ sudo apt-get install synaptic search for rtl8812au-dkms and install $ sudo service network-manager stop $ sudo modprobe -rfv 8812au $ sudo modprobe -v 8812au $ sudo service network-manager start $ sudo dkms status rtl8812au, 4.3.8.12175.20140902+dfsg, 4.4.0-31-generic, x86_64: installed Everytime kernel is updated, do these steps to recompile: $ dkms status $ sudo dkms remove rtl8812au/4.3.8.12175.20140902+dfsg -k $(uname -r) $ sudo dkms install rtl8812au/4.3.8.12175.20140902+dfsg $ sudo modprobe 8812au