For example, if you have previously installed the bcmwl-kernel-source package, you will need to remove it by using the purge method:. So with that in mind, the following is what we have right now which is simplified in just 3 steps:. Wireless does not work anymore after software update with Ubuntu The trick is the order in which you install proprietary drivers. Even after installing the correct driver the user would end up in a “trying to connect” loop. I fixed my problem with the Broadcom bcm drivers. Did steps, worked for 14e4:

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networking – Installing Broadcom Wireless Drivers – Ask Ubuntu

Yi Jiang 1 12 If you don’t remove original Ilnux STA driver, you’ll run into problems. In hardware like the Lenovo S, if your wireless card gets stuck trying to connect to an SSID keeps trying to connectthen the alternative to get it working would be to install the bcmwl-kernel-source package Remove any other installed packages related to it.

ID and the method to install the driver associated with it in a simple and correct way.

Then go to the Wireless connection you are using, select it. Here’s what it shows up: With rfkill I can see: I fixed my problem with the Broadcom bcm drivers.


There is a much easier way of solving this problem. I’m having serious problems installing the Broadcom drivers for Ubuntu.

With this information you will be able to evaluate better what the source of the problem could be broqdcom you arrive at a dead end. If you’ve already installed it, remove it.

Uninstall the bcmwl-kernel-source package by issuing the following command on a terminal: I pressed F10 to save settings and restarted. Linix I uninstalled bcmwl-kernel-source Then installed firmware-binstaller and bfwcutter which rebuilt the wifi drivers.

I’m not sure of what I’ve done.

Linked packages : Broadcom Linux STA driver

Preparing the System If you have just installed Ubuntu, you will need to build an index of available packages before we can install your driver if you have not done so already: An example would be the Lenovo S which uses the 14e4: Petronilla Escarabajo 1, 7 7.

Just give it a try, if it works, awesome, if it doesn’t there are so many more solutions offered which are notably more analytical and proficient.

You can check it by running: Home Questions Tags Users Unanswered. Output of the lspci -nn -d 14e4: This is what worked for me: You may need to install synaptic or your favorite package manager. Forced PIO do the following: Installing the Package offline 4.


Linked packages

With this new information you can look in the table below and select the appropriate method to install your driver. This means that you will only have to install this particular package since it appears in all Ubuntu version columns. If it gives beoadcom errors, read the error and follow the steps it mentions.

Run the following commands to get the Wifi properly working: To give an example, after going to point 1 mentioned above, If you had the Broadcom 14e4: You know you’re probably on the right driver if you run lsmod grep brc and you see brcm or brcmsmac in the output. To begin with,if you already have bfwcutter installed, you need to reinstall it, please run: Broadcom First, then other drivers.

But basically follow this steps: