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How to setup Broadcom 4312 wireless? [closed]

asked 2014-05-17 11:05:27 -0500

Bucic gravatar image

updated 2014-05-19 13:03:50 -0500

I'm at a loss here. I'm trying to install Fedora linux on my friend's netbook but this Broadcom is giving me nightmares.

First I went for the STA (proprietary) driver for RPM fusion: broadcom-wl. It didn't even load the module after restart. So I installed also kmod-wl package. It didn't help either.

Then I went for the b43 driver per instructions here
All of the info I attached is for the b43 driver after unloading the rest of the drivers using modprobe -r (just in case).

Full troubleshooting information!5111&authkey=!APGSqLJiSuQTAPM&ithint=folder%2c.txt
LXDE (so please no Gnome GUI instructions)
BIOS (non-UEFI) Acer Aspire netbook

I also tried Ubuntu 14.04, with no luck either. I've already filed a bug report against b43 firmware
But the outputs on connection failure are different on Ubuntu, so please focus on the attachments.


EDIT: An interesting case with a succesful connection. See the b43_fedora_succ_connect.txt file.

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Closed for the following reason the question is answered, right answer was accepted by davidva
close date 2018-04-13 12:05:14.909070



Try modprobe wl and post the results.

abadrinath gravatar imageabadrinath ( 2014-05-17 21:56:42 -0500 )edit

It returns modprobe: FATAL Module not found. If you looked through the troubleshooting info I linked there's indication of b43 module loaded. It only happens after I issue modprobe b43. edit: I've just added some more info.

Bucic gravatar imageBucic ( 2014-05-19 12:18:10 -0500 )edit

Are you sure you have broadcom-wl installed? If not, use yum install broadcom-wl to install it. B43 will probably not work with this wifi card.

PS: I have a similar card

abadrinath gravatar imageabadrinath ( 2014-05-20 01:13:15 -0500 )edit

@hellobroadcom-wl is already installed and in latest version. Same with kmod-wl. That's why I went for the open source b43.

Bucic gravatar imageBucic ( 2014-05-20 14:06:18 -0500 )edit

5 Answers

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answered 2014-05-25 23:43:36 -0500

Bucic gravatar image

updated 2014-05-30 03:36:00 -0500

Just tried with an updated Fedora 19 after installation of broadcom-wl and akmod-wl. modprobe wl returns modprobe: FATAL Module not found., same as on F20. I think it's high time for a bug report.

Edit: Just tried Manjaro which uses b43. Didn't work either.

EDIT2: It has just started working on my Fedora 20 install as well. Possible reason: kernel-headers and kernel version mismatch due to my failure to update grub after kernel updates (/boot is part of the first install on the disk which is Ubuntu). Sorry for the trouble. If I confirm it I'll turn it into an answer or even ask the moderator to delete the whole thing.

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PS: Is your wifi card even working??

abadrinath gravatar imageabadrinath ( 2014-05-30 03:00:02 -0500 )edit

Yes, it does. If you read all my postings here the b43 cases fail due to connection time out i.e. the wifi works (scans, attempts to connect etc. It even connects sometimes). Also, today I got it working on Manjaro with the proprietary broadcom-wl package which contains, AFAIK, the STA proprietary driver.

Bucic gravatar imageBucic ( 2014-05-30 03:23:55 -0500 )edit

:D happy that it works. Sorry I couldn't help

abadrinath gravatar imageabadrinath ( 2014-06-13 00:44:11 -0500 )edit

answered 2018-04-12 22:08:09 -0500

updated 2018-04-13 09:45:16 -0500

This answer refers to getting the broadcom-wl drivers to work for the Broadcom 4312 wifi hardware on a Dell Inspiron 1764.

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answered 2015-11-12 16:12:48 -0500

erik gravatar image

See the well structured answers here: Broadcom 4312 problems

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answered 2017-02-13 15:31:26 -0500

Go to this link

copy the content in a local file name

then apply this command to this file

chmod 777

then execute comand


if you have any question, this is my e-mail:

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answered 2014-06-14 12:01:56 -0500

I've installed amkod-wl and it didn't work for me. Then i was advised to install kmod-wl but there is no kmod-wl for the latest kernel, so i've moved back to the older one and install kmod-wl package for the old kernel and it works for me. Hope it will help you.

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Thanks for answer, but Question is already solved below. :)

abadrinath gravatar imageabadrinath ( 2014-06-15 04:36:35 -0500 )edit

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Asked: 2014-05-17 11:05:27 -0500

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Last updated: Apr 13 '18