Broadcom BCM4312 Wireless Connectivity Unavailable

[z-buildrocks]

After trying all the methods listed, I have not gotten wireless connectivity. I used to have wireless, but I lost connectivity since I installed Linux Mint on a separate partition. I don't know how this would affect my wireless though.

[Hadaka]

Hi,it;s possible that mint uses a different driver....let's find out
from the mint connection
please do and post..

lspci -nnk | grep -iA3 net
rfkill list all
lsmod

thanks

[eobdtool]

Hello, did you try to connect the customer service for help?

[z-buildrocks]

First command- lspci -nnk | grep -iA3 net:
09:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354] (rev 13)
Subsystem: Dell Device [1028:02aa]
Kernel driver in use: sky2
0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
Subsystem: Dell Wireless 1397 WLAN Mini-Card [1028:000c]
Kernel driver in use: wl


Second Command- rfkill list all:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: yes


Third Command- lsmod:
Module Size Used by
b43 387371 0
bcma 52096 1 b43
mac80211 626489 1 b43
ssb 62379 1 b43
rfcomm 69160 0
bnep 19624 2
bluetooth 395423 10 bnep,rfcomm
gpio_ich 13476 0
dell_wmi 12761 0
sparse_keymap 13948 1 dell_wmi
dell_laptop 18168 0
dcdbas 14928 1 dell_laptop
uvcvideo 80885 0
videobuf2_vmalloc 13216 1 uvcvideo
videobuf2_memops 13362 1 videobuf2_vmalloc
videobuf2_core 40664 1 uvcvideo
videodev 134688 2 uvcvideo,videobuf2_core
lib80211_crypt_tkip 17619 0
coretemp 13435 0
snd_hda_codec_idt 54645 1
wl 4207846 0
joydev 17381 0
serio_raw 13462 0
lib80211 14381 2 wl,lib80211_crypt_tkip
snd_hda_intel 52355 8
snd_hda_codec 192906 2 snd_hda_codec_idt,snd_hda_intel
lpc_ich 21080 0
snd_hwdep 13602 1 snd_hda_codec
snd_pcm 102099 3 snd_hda_codec,snd_hda_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
cfg80211 484040 3 wl,b43,mac80211
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_rawmidi 30144 1 snd_seq_midi
snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29482 2 snd_pcm,snd_seq
snd 69238 25 snd_hwdep,snd_timer,snd_hda_codec_idt,snd_pcm,snd_ seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_se q_device,snd_seq_midi
soundcore 12680 1 snd
mac_hid 13205 0
parport_pc 32701 0
ppdev 17671 0
lp 17759 0
parport 42348 3 lp,ppdev,parport_pc
hid_generic 12548 0
usbhid 52616 0
hid 106148 2 hid_generic,usbhid
ums_realtek 18029 0
usb_storage 62209 1 ums_realtek
psmouse 102222 0
ahci 25819 1
libahci 32168 1 ahci
sky2 58191 0
i915 783485 5
video 19476 1 i915
i2c_algo_bit 13413 1 i915
wmi 19177 1 dell_wmi
drm_kms_helper 52758 1 i915
drm 302817 6 i915,drm_kms_helper

[Hadaka]

hi, please copy and paste these commands,,

sudo apt-get remove --purge bcmwl-kernel-source
sudo rm /etc/modprobe.d/blacklist-bcm43.conf

boot
and then while connected via ethernet cable please do,,,

sudo apt-get update
sudo apt-get install linux-firmware-nonfree
sudo modprobe b43

[z-buildrocks]

Well, It did not appear to be working, since the wireless menu wouldn't let me turn wifi on, but I opened the connections menu, opened the settings for my wireless network and hit ok. Then it connected. No idea what was going on there, but thanks for your help!

[z-buildrocks]

How do I mark this as solved?

[Hadaka]

hi,glad you got it working.
you had wl driver loaded by default and you
needed linux-firmware-nonfree. One that was
sorted all was well,, please dont forget to do..

sudo apt-get update

thanks
to mark SOLVED ->https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads