I am having Hp Pavilion 15 ab522TX. I have recently Installed Ubuntu 16.0.4 along with Windows 10 (Duel Boot). I am not able to access wifi in the system. It shows no wifi driver. See the wireless diagnostics log.
$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
link/ether dc:4a:3e:f5:02:f1 brd ff:ff:ff:ff:ff:ff
$ lshw -C network
WARNING: you should run this program as super-user.
*-network UNCLAIMED
description: Network controller
product: BCM43142 802.11b/g/n
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:03:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: cap_list
configuration: latency=0
resources: memory:94100000-94107fff
I tried sudo apt-get install --reinstall bcmwl-kernel-source:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
signon-keyring-extension
Use 'sudo apt autoremove' to remove it.
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 10 not upgraded.
Need to get 0 B/1,515 kB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 248596 files and directories currently installed.)
Preparing to unpack .../bcmwl-kernel-source_6.30.223.248+bdcom-0ubuntu8_amd64.deb ...
Removing all DKMS Modules
Done.
Unpacking bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu8) over (6.30.223.248+bdcom-0ubuntu8) ...
Setting up bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu8) ...
Loading new bcmwl-6.30.223.248+bdcom DKMS files...
Building only for 4.4.0-47-generic
Building for architecture x86_64
Building initial module for 4.4.0-47-generic
Done.
wl:
Running module version sanity check.
- Original module
- No original module exists within this kernel
- Installation
- Installing to /lib/modules/4.4.0-47-generic/updates/dkms/
depmod....
DKMS: install completed.
modprobe: ERROR: could not insert 'wl': Required key not available
update-initramfs: deferring update (trigger activated)
Processing triggers for shim-signed (1.19~16.04.1+0.8-0ubuntu2) ...
Processing triggers for initramfs-tools (0.122ubuntu8.5) ...
update-initramfs: Generating /boot/initrd.img-4.4.0-47-generic
Still there is no sign of Wifi.
Then I tried, dkms status and I got the output:
bcmwl, 6.30.223.248+bdcom, 4.4.0-47-generic, x86_64: installed
I had tried varies method posted in the community. Nothing worked.
