Broadcom 4365（如：Dell vostro 3460）笔记本wifi无法使用解决办法：
查看网卡型号命令：
$ lspci | grep Network
https://www.dropbox.com/s/jerkl6uqal5ylv3/wireless-bcm43142-dkms-6.20.55.19_amd64.deb
ftp://www.daba.lv/pub/OS/datori/Dell/wireless-bcm43142-dkms_6.20.55.19-1_amd64.deb
$ sudo apt-get install dkms
$ sudo dpkg -i wireless-bcm43142-dkms-6.20.55.19_amd64.deb
$ sudo modprobe wl
