lspci | grep Qu
07:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)

首先通過上面命令查詢到高通無線網絡卡的型號

知道了之後通過安裝

sudo apt-get install linux-firmware

以下是在網上查詢相關的資料。

This device is supported in Ubuntu 15.10 with the latest updates.

You can get it work in Ubuntu 14.04 by installing kernel 4.2 and the updated firmware. Run in terminal:

sudo apt-get install linux-generic-lts-wily
wget https://mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.157_all.deb
sudo dpkg -i linux-firmware_1.157_all.deb

In Ubuntu 15.10 and later you only need t
 

有的筆記本安裝ubuntu之後wifi無法直接使用，通過安裝無線網絡卡驅動之後就能正常通過無線網絡卡上網了。

當然安裝程式的時候要把網線插上。