Wifi doesn't show up on connections list or rfkill list

[rajtechie]

hello,

I'm facing similar issue. Cf. [old thread from 2016] The wifi connection is not visible in Network Manager.The result of running the commands is as :

Code: Select all

lspci -nnk | grep -iA2 net; lsusb; lshw -c net
02:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
	DeviceName: NAMI
	Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:804a]
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
	Subsystem: Hewlett-Packard Company RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [103c:80cb]
	Kernel driver in use: r8169
	Kernel modules: r8169
Bus 002 Device 003: ID 064e:930b Suyin Corp. 
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0a5c:216d Broadcom Corp. 
Bus 001 Device 003: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 2717:ff80  
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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@0000:02:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: cap_list
       configuration: latency=0
       resources: memory:f0c00000-f0c07fff
  *-network
       description: Ethernet interface
       product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: enp3s0
       version: 07
       serial: 94:57:a5:e7:54:e6
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:31 ioport:2000(size=256) memory:f0b00000-f0b00fff memory:f0800000-f0803fff
  *-network
       description: Ethernet interface
       physical id: 1
       logical name: enp0s16u1
       serial: e6:9d:bf:47:66:e0
       capabilities: ethernet physical
       configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.27 link=yes multicast=yes

Followed every solution available but wifi still not working.

[JeremyB]

Still some important info left out, what kernel uname -a What version of Linux Mint? What is the result for

Code: Select all

sudo apt-get install mokutil && mokutil --sb-state

[rajtechie]

The result is:

Reading package lists... Done
Building dependency tree
Reading state information... Done
mokutil is already the newest version (0.3.0-0ubuntu3).
mokutil set to manually installed.
The following packages were automatically installed and are no longer required:
b43-fwcutter libllvm5.0 libqjson0 quvi
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
SecureBoot disabled

The KERNEL version is 4.15.0-29-generic and i'm running MInt 18.3 Cinnamon

[rajtechie]

more details of the KERNEL are:

4.15.0-29-generic #31~16.04.1-Ubuntu SMP Wed Jul 18 08:54:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

[JeremyB]

Code: Select all

wget http://mirrors.kernel.org/ubuntu/pool/restricted/b/bcmwl/bcmwl-kernel-source_6.30.223.271+bdcom-0ubuntu4_amd64.deb
sudo dpkg -i bcmwl-kernel-source_6.30.223.271+bdcom-0ubuntu4_amd64.deb

Reboot

[rajtechie]

Thanks a Ton....the solution worked....u people are doing great work....