wifi problem on ubuntu 16.04..!

Question

I have installed Ubuntu 16.04 and and there is no sign of wi-fi, no on/off indicator

I have seen all the solutions on internet: how to handle wi-fi problems, but none worked for me. I have HP Pavillion laptop.

What can I do?

output: arjun@arjun-HP-Pavilion-15-Notebook-PC:~$ lspci -vvnn | grep -A 9 Network

0

8:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    DeviceName: Broadcom BCM43142 802.11bgn 1x1 WiFi Adapter + BT 4.0 combo adapter
    Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:2230]
    Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
    Interrupt: pin A routed to IRQ 0
    Region 0: Memory at b5500000 (64-bit, non-prefetchable) [size=32K]
    Capabilities: <access denied>
    Kernel modules: bcma, wl

@MohamedSlama there is no option for disabling network manager.. — Arjun Gupta, May 25 '16 at 12:20
http://www.howtogeek.com/192104/how-to-showhide-all-hidden-startup-applications-in-ubuntu-14.10/ — Mohamed Slama, May 25 '16 at 13:14
The image clearly shows Airplane Mode is on. That suggests that the wireless switch or key combination on the laptop is set to disable wireless. Please find it and switch it. — chili555, May 25 '16 at 13:34
@chili555 there is no wifi on / off button on my keyboard and i even tried by switching off my airplane mode.. — Arjun Gupta, May 25 '16 at 14:49
@MohamedSlama i tried ur link, first of all it says unknown command, which was stated in comments sections of ur provided link, then i modified that command omitting -i , command executed but no improvement seen at all. i still cant disable network manager.. — Arjun Gupta, May 25 '16 at 14:53
Please run the ubuntu forums wireless script (github.com/UbuntuForums/wireless-info) and paste the results into paste.ubuntu.com then edit your question to include a link to it — Steve Roome, May 25 '16 at 19:29
Please [edit] your question and add output of lspci -knn | grep Net -A2 terminal command. — Pilot6, May 26 '16 at 13:07
@Pilot6 sudo modprobe wl gives output..=>modprobe: ERROR: could not insert 'wl': Required key not available — Arjun Gupta, May 27 '16 at 23:32
@Pilot6, I was facing the same problem, tried everything, turned secure boot off from bios and wifi started working. Thanks so much, spent one full day on this. Laptop:Hp envy Ubuntu :16.04 — taher chhabrawala, Dec 10 '16 at 12:15

score 0 · Answer 1 · answered Nov 16 '16 at 18:52

0

sudo add-apt-repository ppa:hanipouspilot/rtlwifi
sudo apt-get update
sudo apt-get install rtlwifi-new-dkms linux-firmware

this worked on ubuntu 14.06. test it and tell me if it worked for 16.04 too.

answered Nov 16 '16 at 18:52

Pavlos Theodorou

2,553

score -2 · Answer 2 · answered May 26 '16 at 13:00

I had faced the same issue in HP Pavillion laptop twice. Follow these steps:

Run sudo apt-get update && sudo apt-get upgrade
Download bcmwl-kernel-source in .deb format and then install through terminal. It may ask additional dependency, Download and install them separately.

Jordan Camp · Answer 3 · 2016-05-28T01:56:58.437

-2

It looks like the kernal can detect your hardware but lacks the driver software to make it work, so what you need to do is install the drivers for your wireless card. I searched broadcom's website but I couldn't find the drivers for your wireless card but I found another driver that is similar enough that it might work for you. I'm not sure of your linux experience so I will just describe the whole process of installing it.

Download the file in the link open up a terminal and type these commands

cd ~/Downloads
tar -xzvf name_of_file_goes_here
make
sudo make install

edited May 28 '16 at 01:56

answered May 26 '16 at 17:02

Jordan Camp

121

it says=> make: *** No rule to make target 'install'. Stop. – Arjun Gupta May 27 '16 at 23:36
arjun@arjun-HP-Pavilion-15-Notebook-PC:~/Downloads/src$ make
make: *** No targets specified and no makefile found. Stop. – Arjun Gupta May 27 '16 at 23:37
My mistake, you don't need to cd source because the Makefile is one directory higher than that. So skip the cd source and just do make then sudo make install. I will edit my answer to reflect these changes. – Jordan Camp May 28 '16 at 01:56
now it gives output as=> install -D -m 755 wl.ko /lib/modules/uname -r/kernel/drivers/net/wireless – Arjun Gupta May 29 '16 at 09:04
what should i do now?? – Arjun Gupta May 29 '16 at 09:05

wifi problem on ubuntu 16.04..!

3 Answers3