For cases where you need to install bcmwl-kernel-source but you are offline, here is an excellent answer about it. This package contains Broadcom I’ve been experiencing the same issues with my Then in a terminal, execute: No customer comments for the moment. I removed the cycled battery and hit the power-button 20 long and short presses to reset the BIOS.

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Then I installed the ATI driver and now both work. Open a terminal window ctrl-alt-tand run.

Lenovo Replacement Wireless LAN Cards

This guy knows his stuff. Just installing the additional drivers, it works in my Dell Vostro It would see the wireless SSID but when trying to connect to it, it would enter an wirreless loop.

Installing the Package offline 4. I have a bit machine, but running Ubuntu Now it’s working wirelessly.

Wireless WiFi Card Broadcom Bcm94312mcg 802.11n

If your connection drops every so often some users have suggested to set IPv6 to Ignore. Read the Debugging section below for wigeless information regarding this wireless device. I had to undo the extra steps of editing the blacklist file. The issue with your wifi is that you are using the one forced by Ubuntu, but that does not work.


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If it gives any errors, read the error and follow the steps it mentions. Uninstall the bcmwl-kernel-source package by issuing the following command on a terminal: This means that you will only have to install this particular package since it appears in all Ubuntu version columns.

For all Wireless cards in general, it is very important to also take into consideration the network devices you are using Routers, Switches, Wireless Channels and Wireless Bands, etc. Answer below is updated every time new information is added and confirmed working.

Welcome, Log in Cart: This will install all packages in that folder. There are dozens of Broadcom wireless cards and more seem to appear every day. For example, In this case, since you have the 14e4: Only registered users can post a new comment.

Wireless network card Broadcom 4312, Mini PCI Express, used

Check you current kernel version as follows bc9m4312mcg entry: No products Shipping 0. I found the light wouldn’t come on when I switched it to the op position.

Either solving minor problems that were happening with a working card or making the card work for the first time. LuisAlvarado Alright, thank you and sorry for the attempted hijack. We assume you are doing this from scratch and have not changed any configuration files, modules or drivers in the system in any way apart from updating the system.


Lots of people see “Broadcom” bcm94312jcg jump on this but it’s not compatible with the which is newer. Remember to have a clean system before installing it: It seems like the firmware files are missing from the Linux drivers?

As Luis Alvarado’s answer mentions, Special thanks to chili who helped in the Ubuntu forums and on this site with many questions related to Wireless devices and to others who have contributed through E-Mail, chats, IRC and more in testing various drivers with several of the most popular Broadcom Wireless cards Huge Thanks to Chili really. Drivers for the Let’s cardd enumerate the driver for Broadcom chipsets and how they work with the With this information you will be able to evaluate better what the source of the problem could be when crad arrive at a dead end.