戴尔Inspiron3420+Ubuntu12.04.4无线驱动安装

1、查看无线网卡亿姣灵秀类型，可以得出类型为broadcom的BCM43142xiaohu@xiaohu-linux:~$ lspci -vvv | grep Network07:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)

2、查找驱动xiaohu@xiaohu-linux:~$ sudo apt-cache search Broadcom | grep Broadcomb43-fwcutter - Utility for extracting Broadcom 43xx firmwarebroadcom-sta-common - Common files for the Broadcom STA Wireless driverbroadcom-sta-source - Source for the Broadcom STA Wireless driverbcmwl-kernel-source - Broadcom 802.11 Linux STA wireless driver source

3、安装驱动sudo apt-get install -y b43-fwcutter broadcom-sta-common broadcom-sta-source bcmwl-kernel-source

4、此时点击右上角的网络链接标志，可以无线网络。选择合适的无线网络，并成功上网