Dell m4800 装Ubuntu 14.04 无线网卡驱动的问题

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由于系统驱动问题，DELL M4800安装Ubuntu 14.04找不到wifi模块，需要更新驱动。步骤如下：

Update of the driver :

sudo apt-get update

sudo apt-get --reinstall install bcmwl-kernel-source

如果还没找到wifi，在官网下载最新的驱动，编译。按照驱动的readme.txt 如下：

http://www.broadcom.com/docs/linux_s...30.223.248.txt

# rmmod wl

Did a find on all wk.ko on my computer and renamed all (except the newly created by the makefile)

# mv <path-to-prev-driver>/wl.ko <path-to-prev-driver>/wl.ko.orig

# cp wl.ko <path-to-prev-driver>/wl.ko

# depmod

# modprobe wl

Got some errors so I did this :

# rmmod wl

and run (from the place where I copied the new wl.ko file):

# modprobe cfg80211

Then:

# insmod wl.ko

After a reboot of my machine and could activate wireless from the network icon (desktop right upper corner), and could connect to my private (wpa/wpa2)

network with password.

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