how can you install wifi Broadcom Limited BCM4313 802.11bgn?

[andredahl]

Just managed to get the debian mate up and running, however I do not have any wifi.

Are there anyone who can help me with installing the Broadcom Limited BCM4313 802.11bgn driver or another driver that will get the wifi up and running ?

Appreciate all help

Here is the solution for obtaining wifi in Debian:

For wifi you need firmware-brcm80211_20161130-5_deb8u1_all.deb or other firmware if you have another wifi card.

Place the firmware in downloads, but to make it easy have only the firmware file there.

Terminal:
sudo su
cd Downloads
sudo dpkg -i *.deb

sudo apt update
sudo apt full-upgrade

Reboot

But this is not enought you have to install another firmware as well

firmware-iwlwifi_20200918-1_all.deb

Follow the procedure above and first then the wifi will work.


Good luck from a newbie other newbies having the same problem.

[arochester]

https://wiki.debian.org/brcm80211

Where it says Jessie change it to Buster.

[andredahl]

Thanks, I have tried it and this https://wiki.debian.org/wl but the deb expression is not accepted ???

[RU55EL]

Thanks, I have tried it and this https://wiki.debian.org/wl but the deb expression is not accepted ???

Please explain. What exactly did you try? What deb expression are you talking about, and who or what didn't accept it?

What is in your /etc/apt/sources.list file?

[andredahl]

It is this one that is not accepted

# Debian 10 "Buster"
deb http://deb.debian.org/debian buster-backports main contrib non-free

It is in the terminal that gives unknown on the deb ???

[arochester]

Did you try to change this by first becoming Root?

Have you got sudo? If so use this command

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sudo apt edit-sources

[andredahl]

I do admit that I have not enough knowledge. This is what I see and have done after sudo apt edit-sources:

# Debian 10 "Buster"
deb http://deb.debian.org/debian buster-backports main contrib non-free
# apt-get update
# deb cdrom:[Debian GNU/Linux 10.6.0 _Buster_ - Official amd64 DVD Binary-1 20200926-10:17]/ buster contrib main

deb cdrom:[Debian GNU/Linux 10.6.0 _Buster_ - Official amd64 DVD Binary-1 20200926-10:17]/ buster contrib main

deb http://security.debian.org/debian-security/ buster/updates main contrib
deb-src http://security.debian.org/debian-security/ buster/updates main contrib

# apt-get install linux-image-$(uname -r|sed 's,[^-]*-[^-]*-,,') linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') broadcom-sta-dkms

Nothing is happening, I do assume that this is not the right place to perform commands ??????

[sgosnell]

Commands are done in a terminal, not a file editor. The good news is that the pound sign, #, makes a line in scripts and files such as fstab a comment, so lines with # as the first character are ignored. You should also add # to the start of the line containing cdrom, because you probably don't have the DVD connected, and it's not necessary anyway, but it will interfere with updates. Remove everything in the file except

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deb http://deb.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian buster-backports main contrib non-free
deb http://security.debian.org/debian-security/ buster/updates main contrib
deb-src http://security.debian.org/debian-security/ buster/updates main contrib

then open a terminal and then run the commands. Note the added first line, to get the main Buster repository. If you don't know how to open a terminal and run commands, you have a lot of reading to do. The terminal is one of the application menu choices. But you really need to do some reading to learn the most basic elements of computer use. But this can all be done in a GUI, Synaptic package manager. I suggest you open Synaptic and use that. You don't have to use a terminal and type in commands, it's just that it is more convenient if you know what you're doing. You don't, so use the GUIs that have been thoughtfully provided by the developers.

[andredahl]

I am a little bit experienced with the terminal, however after the command sudo apt edit-sources I am ending up in the editor. When going back to the terminal this command is not accepted " deb http://deb.debian.org/debian buster-backports main contrib non-free " The terminal do not recognice the "deb".

So I am back to square 1. What do I do wrong ?

[arzgi]

After editing sources, save it, exit editor.

Then

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sudo apt update

[sgosnell]

You enter the " deb http://deb.debian.org/debian buster-backports main contrib non-free " into the file, save and close it, then back in the terminal run the update and upgrade.

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sudo apt update
sudo apt upgrade

You already have the backports line in /etc/fstab, if your previous post is correct. But again, use Synaptic. It's in the applications menu, under System.

[andredahl]

Thanks everyone
I did a new mate installation and this time I managed to get the system to accept wifi Broadcom Limited BCM4313 802.11 file which I had on another USB stick.

This is closed for me but I have other challenges to dig into as well

[arzgi]

You enter the " deb http://deb.debian.org/debian buster-backports main contrib non-free " into the file, save and close it, then back in the terminal run the update and upgrade.

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sudo apt update
sudo apt upgrade

Maybe not upgrade just after enabling backports...

[sgosnell]

Enabling backports won't install anything from there automatically. You have to specifically install packages from there. The upgrade won't solve the problem by itself, but it's a good idea to make sure everything is up to date before installing from backports.

[andredahl]

All this is done

deb http://deb.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian buster-backports main contrib non-free
deb http://security.debian.org/debian-security/ buster/updates main contrib
deb-src http://security.debian.org/debian-security/ buster/updates main contrib

and update/upgrade as well.

I do have the firmware in an usb port and in downloads as well however I can not figure out how to get the file installed ?

[andredahl]

Solution ?

Place firmware in Downloads

cd Downloads

sudo su
pw

dpkg -i *.deb

Reboot