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[Bug 1498153] Re: Dell Inspiron 1525 Wi-Fi card doesn't work. Broadcom BCM4312 802.11b/g LP-PHY (rev01) // Dell Wireless 1395 Wlan Mini-card

 

How to fix it guide!

Uninstall the bcmwl-kernel-source package by issuing the following
command on a terminal:

sudo apt-get remove bcmwl-kernel-source
make sure that the firmware-b43-installer and the b43-fwcutter packages are installed (of course you will need internet by others means):

sudo apt-get install firmware-b43-installer b43-fwcutter
type into terminal:

cat /etc/modprobe.d/* | egrep 'bcm'
(you may want to copy this) and see if the term 'blacklist bcm43xx' is there

if it is, type cd /etc/modprobe.d/ and then sudo gedit blacklist.conf

put a # in front of the line: blacklist bcm43xx

reboot

** Changed in: bcmwl (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1498153

Title:
  Dell Inspiron 1525 Wi-Fi card doesn't work. Broadcom BCM4312 802.11b/g
  LP-PHY (rev01) // Dell Wireless 1395 Wlan Mini-card

Status in bcmwl package in Ubuntu:
  Fix Released

Bug description:
  After upgrade to the newest 4.2 kernel, wifi stopped and can't be
  turned on.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu2
  Uname: Linux 4.2.0-040200-generic i686
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: i386
  CurrentDesktop: MATE
  Date: Mon Sep 21 22:28:12 2015
  InstallationDate: Installed on 2015-09-19 (2 days ago)
  InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Release i386 (20150422.1)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=bg_BG.UTF-8
   SHELL=/bin/bash
  SourcePackage: bcmwl
  UpgradeStatus: No upgrade log present (probably fresh install)

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References