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I have installed Ubuntu 14 and can't connect to WiFi. Tried to find solutions by myself but still things don't work out.

Steps I have taken:

  1. Went to Software And Updates -> additional Drivers and used Broadcom 802.11 Linux drivers
  2. Used iwconfig command, found that wlan0 doesn't exists
  3. Installed linux-firmware-nonfree package - wlan0 shows now up

After these steps I still can't connect to network and I'm getting following error in toolbar:

WiFi is disabled by hardware switch.

02:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
 Subsystem: Hewlett-Packard Company Device [103c:1508]
 Kernel driver in use: wl
Pilot6
  • 92,041
Adrian Wiercioch
  • 1

1 Answers1

1

You have installed a wrong driver for this adapter.

Run in terminal

sudo apt-get purge bcmwl-kernel-source
sudo apt-get install firmware-b43-installer
sudo modprobe b43

and your Wi-Fi should work.

Pilot6
  • 92,041