首先查看无线网卡型号
[email protected]:~$ lspci|grep less
02:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73) 搜索Inter相关固件 [email protected]:~$ apt-cache search iwlwifi firmware-iwlwifi - Binary firmware for Intel Wireless cards
安装之 [email protected]:~$ apt-get install firmware-iwlwifi
重启完事儿！