lspci -vnn | grep Network
showed: iwconfig
showed:firmware-b43-installer
package driver. This means that you will only have to install this particular package since it appears in all Ubuntu version columns.bcmwl-kernel-source
package, you will need to remove it by using the purge method:firmware-b43-installer
, we then proceed to simply install this package in the terminal:firmware-b43-installer
.bcma
and brcmsmac
driver combination. Required firmware is installed by default in the package linux-firmware
.sudo cp brcmfmac4366c-pcie.bin /lib/firmware/brcm/brcmfmac4366c-pcie.bin
sudo nano /etc/rc.local
add modprobe brcmfmac and savesudo reboot
bcmwl-kernel-source
package (Remove any other installed packages related to it). Read the Debugging section below for more information regarding this wireless device.firmware-b43-installer
package and notify us via comments. There were some changes and some drivers will only work with this package. Remember to have a clean system before installing it:firmware-b43-installer
you need to remove the b43 module, enable it again and even proceed to unblock with rfkill:firmware-b43-installer
firmware-b43-installer
offline see this answer.bcmwl-kernel-source
bcmwl-kernel-source
but you are offline, here is an excellent answer about it.But basically follow this steps:sudo dpkg -i *.deb
. This will install all packages in that folder. If it gives any errors, read the error and follow the steps it mentions.14e4:43a0
, you would search for the bcmwl-kernel-source
package and after selecting the corresponding Ubuntu version (In my case 16.04 or Xenial) I would land on the following page:dpkg
command as mentioned on step 4 above.software-properties-gtk
and make sure all options on the Ubuntu Software Tab are enabled.rfkill unblock all
will solve the problem. Others simply turned the WiFi switch on their laptops off and then on again (Physical switch available on this laptops). For more information about rfkill
please read rf kill unblock all DOES NOT WORK!dmesg
and your wireless connection drops often (Several times an hour or a day), the issue here might be that you are inside a wireless signal that is used as a Wireless Bridge (2 Routers sharing the same SSID and connection). This can happen with modern Routers that have the ability to extend the wireless connection by offering the same SSID. your wireless connection might drop because you might be between both routers and the signal strength between both is almost the same.synaptic
or your favorite package manager.)bcmwl-kernel-source
package by issuing the following command on a terminal:firmware-b43-installer
and the b43-fwcutter
packages are installed (of course you will need internet by others means):cd /etc/modprobe.d/
and then sudo gedit blacklist.conf
#
in front of the line: blacklist bcm43xx
uname -r
).lsmod | grep brc
and you see brcm80211
or brcmsmac
in the output./etc/modprobe.d/blacklist.conf
and start adding lines like:bcm
in Ubuntu Software Center,firmware-b43-installer
package. First uninstall the proprietary driver from 'additional drivers'.On Ubuntu, you will need headers and tools. Try these commands:
# apt-get install build-essential linux-headers-generic
# apt-get build-dep linux
sudo apt-get build-dep linux
command and, Voilá!, after one reboot my connection started running at its normal speed.Building for architecture x86_64 Module build for the currently running kernel was skipped since the kernel source for this kernel does not seem to be installed.
pci.id 14er:4727
--which holds in my case):Wireless does not work anymore after software update with Ubuntu 12.10 on a Dell Latitude E6230and How do I get an Acer Npilfy 802.11 (BCM43225) wireless card working? who refers to the former.firmware-b43-installer
(+ b43fwcutter automatically added in Synaptic)bcm-kernel-source
package using Synaptic/etc/modprobe.d/blacklist.conf
sudo modprobe brcmsmac
/etc/modules
bcmwl-kernel-source
. This package was perviously installed on my computer, but the Wifi wasn't working (no detection of any wireless network, since the upgrade to Ubuntu 16.04). I instead tried to install the firmware-b43-installer
following Luis Alvarado's answer (using firmware-b43-installer
is an alternative already pointed out in his post), and it worked !lspci -nn -d 14e4:
command :bcmwl-kernel-source
package :firmware-b43-installer
package and not the bcmwl-kernel-source
package (contrary to what is advised in the table for 14e4:4727 rev 01
) :bcmwl-kernel-source
packagefirmware-b43-installer
and the b43-fwcutter
packages are installed/etc/modprobe.d/blacklist.conf
sudo apt-get remove bcmwl-kernel-source
sudo apt-get install b43-fwcutter
or by using the .deb file you'd have gotten from the quoted website.tar -xvjf broadcom*
. Then run