笔者为联想R720电脑，经过弯路绕绕最终连接上了WIFI 输入命令查看：
rfkill list all结果如下
0:ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked:yes 1:ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: yes 2:phy0: Wireless LAN Soft blocked: no Hard blocked:no 3:hci0: Bluetooth Soft blocked: yes Hard blocked: no使用命令移除无线模块
sudo modprobe -r ideapad_laptop再次查看发现
2: hci0: Bluetooth Soft blocked: no Hard blocked: no 3: phy0: Wireless LAN Soft blocked: no Hard blocked: no参考此处可以设置为开机自启动 https://www.linuxidc.com/Linux/2015-04/116077.htm
