[SOLVED] How to Install Broadcom Wireless Linux - usually the broadcom wireless was broken or error after you are upgrade ubuntu, updare kernel, or etc. So, here I'm will explain how to repait it. First, for install broadcom wireless linux ubuntu , use LAN cable for getting internet access. Second, open your terminal and type the following this command sudo apt-get purge bcmwl-kernel-source Third, to install broadcom wireless linux ubuntu , type this command sudo apt-get install bcmwl-kernel-source Remove the module before sudo modprobe -r b43 ssb wl After it, you can enable the module. I recommend using wl module, and than type this command sudo modprobe wl And than restart you PC. If this way are not working, you can following this tutorial in http://paperforshare.blogspot.com/2014/05/install-broadcom-bcm4311-wireless-on.html Source : here Paper 4Share - [SOLVED] How to Install Broadcom Wireless Linux Ubuntu