Wifi not visible, using Mint Cinnamon 19.2

Questions about WIFI networks and devices
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MaTak
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Wifi not visible, using Mint Cinnamon 19.2

Post by MaTak » Mon Sep 16, 2019 2:18 pm

Hi, I have the same problem as described here, with the wifi card, so here are outputs for the provided commands.

inxi -Fxzd:

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System:    Host: Mataj-PC Kernel: 4.15.0-62-generic x86_64 bits: 64 compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.2.4 
           Distro: Linux Mint 19.2 Tina base: Ubuntu 18.04 bionic 
Machine:   Type: Laptop System: Acer product: Aspire E5-571PG v: V1.32 serial: <filter> 
           Mobo: Acer model: N/A serial: <filter> UEFI: Insyde v: 1.32 date: 09/15/2015 
Battery:   ID-1: BAT1 charge: 19.9 Wh condition: 48.4/55.9 Wh (86%) model: SANYO 0032334134314C41 status: Discharging 
CPU:       Topology: Dual Core model: Intel Core i3-5005U bits: 64 type: MT MCP arch: Broadwell rev: 4 L2 cache: 3072 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 15964 
           Speed: 798 MHz min/max: 500/2000 MHz Core speeds (MHz): 1: 935 2: 802 3: 988 4: 906 
Graphics:  Device-1: Intel HD Graphics 5500 vendor: Acer Incorporated ALI driver: i915 v: kernel bus ID: 00:02.0 
           Device-2: NVIDIA GM108M [GeForce 840M] vendor: Acer Incorporated ALI driver: N/A bus ID: 04:00.0 
           Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa resolution: 1366x768~60Hz 
           OpenGL: renderer: Mesa DRI Intel HD Graphics 5500 (Broadwell GT2) v: 4.5 Mesa 19.0.8 direct render: Yes 
Audio:     Device-1: Intel Broadwell-U Audio vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 00:03.0 
           Device-2: Intel Wildcat Point-LP High Definition Audio vendor: Acer Incorporated ALI driver: snd_hda_intel 
           v: kernel bus ID: 00:1b.0 
           Sound Server: ALSA v: k4.15.0-62-generic 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Acer Incorporated ALI driver: r8169 
           v: 2.3LK-NAPI port: 4000 bus ID: 02:00.1 
           IF: enp2s0f1 state: up speed: 1000 Mbps duplex: full mac: <filter> 
           Device-2: Broadcom and subsidiaries BCM43142 802.11b/g/n vendor: Foxconn driver: N/A port: 4000 bus ID: 03:00.0 
Drives:    Local Storage: total: 473.37 GiB used: 9.82 GiB (2.1%) 
           ID-1: /dev/sda vendor: Western Digital model: WD5000LPVX-22V0TT0 size: 465.76 GiB 
           ID-2: /dev/sdb type: USB vendor: A-Data model: USB Flash Drive size: 7.61 GiB 
           Optical-1: /dev/sr0 vendor: Slimtype model: DVD A DA8A6SH rev: GA11 dev-links: cdrom,cdrw,dvd,dvdrw 
           Features: speed: 24 multisession: yes audio: yes dvd: yes rw: cd-r,cd-rw,dvd-r,dvd-ram state: running 
Partition: ID-1: / size: 33.39 GiB used: 9.79 GiB (29.3%) fs: ext4 dev: /dev/sda7 
Sensors:   System Temperatures: cpu: 50.0 C mobo: N/A 
           Fan Speeds (RPM): N/A 
Info:      Processes: 192 Uptime: 16m Memory: 7.71 GiB used: 1.03 GiB (13.4%) Init: systemd runlevel: 5 Compilers: gcc: 7.4.0 
           Shell: bash v: 4.4.20 inxi: 3.0.32 

rfkill list all:

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0: acer-wireless: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: acer-bluetooth: Bluetooth
	Soft blocked: no
	Hard blocked: no
2: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

iwconfig:

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lo        no wireless extensions.

enp2s0f1  no wireless extensions.
lsusb:

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Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f2:b469 Chicony Electronics Co., Ltd 
Bus 001 Device 003: ID 0489:e055 Foxconn / Hon Hai 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

lspci :

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00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.2 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1c.3 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #4 (rev e3)
00:1c.4 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #5 (rev e3)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTL8411B PCI Express Card Reader (rev 01)
02:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
03:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)
04:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2)
Last edited by Moem on Mon Sep 16, 2019 3:46 pm, edited 1 time in total.
Reason: Split off into a separate topic. Every new question deserves its own topic. Old thread was https://forums.linuxmint.com/viewtopic.php?f=53&t=301531

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Larry78723
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Re: Wifi not showing using mint cinnamon 19.2

Post by Larry78723 » Mon Sep 16, 2019 3:25 pm

MaTak, please start a thread of your own. You have a different computer with different equipment thus you will have a different solution. Piggybacking on someone else's thread only confuses people.
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HAWR
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Re: Wifi not showing using mint cinnamon 19.2

Post by HAWR » Mon Sep 16, 2019 3:36 pm

Hello MaTak,

Larry78723 is right!

In your case, go to the driver manager and install the Broadcom bcmwl driver (b43 is not supported by your card)

https://wireless.wiki.kernel.org/en/users/Drivers/b43

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Moem
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Re: Wifi not visible, using Mint Cinnamon 19.2

Post by Moem » Mon Sep 16, 2019 3:47 pm

Mod note:
Split off from this topic, for the reasons given by other members above.
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If your issue is solved, kindly indicate that by editing the first post in the topic, and adding [SOLVED] to the title. Thanks!

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Larry78723
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Re: Wifi not visible, using Mint Cinnamon 19.2

Post by Larry78723 » Mon Sep 16, 2019 4:31 pm

MaTak, this thread explains what you need to do.
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