I've installed a fresh copy of Xubuntu 15.04 and I can't get my Broadband B4311 Wifi card working. I had Ubuntu GNOME 14.04, and I solved the problem using the b43 driver, so I'd already done a lot of tweaking, now neither the b43 driver or the Broadcom proprietary driver works. Is this kernel related? Has anyone had the same problem?
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Correction:
Actually, the correct file to edit on gedit is /etc/modprobe.d/blacklist-bcm43.conf since this file is for the Broadcom 43xx series wifi chipsets. Don't forget to reboot the PC once these changes are made to take into effect.
So to put it into steps (for some people who don't get what I'm talking about):
Open Terminal by pressing Ctrl+Alt+T
Type
sudo apt-get install firmware-b43-installer
gksudo gedit /etc/modprobe.d/blacklist-bcm43.conf
Comment out (by putting a # at the start of the line) any items with the words bcm43 or bcm43xxx in them. Save the file and close gedit once you're done with these changes.
Reboot the PC.
NOTE: some PCs may require you to activate the wifi card through either a combo key press (FN + F# or an unknown side/front switch) before you can see your wifi networks on the Network Connections.
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sudo apt-get install firmware-b43-installer
sudo -H gedit /etc/modprobe.d/blacklist-broadcom-wireless.conf
removed the line with b43
sudo update-initramfs -u
Details found here on the help.ubuntu.com wiki
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ls /etc/modprobe.d/ | grep bcm43andlspci -nnk | grep 280– Jeremy31 Apr 26 '15 at 10:52blacklist-ath_pci.conf blacklist-firewire.conf blacklist-oss.conf dkms.conf iwlwifi.conf blacklist-broadcom-wireless.conf blacklist-framebuffer.conf blacklist-rare-network.conf fbdev-blacklist.conf mlx4.conf
– Cláudio Palma Apr 26 '15 at 11:0000:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 02) 00:1f.1 IDE interface [0101]: Intel Corporation 82801G (ICH7 Family) IDE Controller [8086:27df] (rev 02) 00:1f.2 SATA controller [0106]: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [AHCI mode] [8086:27c5] (rev 02) 02:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
– Cláudio Palma Apr 26 '15 at 11:05cat /etc/modprobe.d/blacklist-broadcom-wireless.conf– Jeremy31 Apr 26 '15 at 11:14sudo apt-get install firmware-b43-installerand rebooted? – Jeremy31 Apr 26 '15 at 11:20rfkill list all– Jeremy31 Apr 26 '15 at 11:26