Retired and sit bored during the epidemic, the old office machine installed ubuntu, but can not connect to a wireless network.
Open a terminal # View wireless card information. -i is not case sensitive
tjj@ubuntu:~/Documents$ lspci | grep -i wireless
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
New wireless folder mkdir wireless && cd wireless
In the state of the cable network NIC driver download or directly with a disk copy download the U- https://github.com/M000M/Driver-Realtek-RTL8821CE
Then compile (encoding the entire installation process needs to be performed with root privileges, which must be added sudo)
sudo make
sudo make install
Install command sudo modprobe -a 8821ce as long as the error does not prompt you for success
tjj@ubuntu:~/wireless/rtl8821ce-master$ sudo modprobe -a 8821ce
tjj@ubuntu:~/wireless/rtl8821ce-master$
After reboot reboot WIFI able to receive a signal, the last FIG.
