Hello, I am new user, there is something I want to ask for help, I can not get wireless connection at all, it doesn't show up in connection, and when I try to add new Wifi connection I get confused, please is there any guide? I've been using Ubuntu 16.04 before, and I can solve the problem by copy these files from the installation disk to Home directory:
pool/main/d/dkms/dkms_XXXXX.deb
pool/restricted/b/bcmwl/bcmwl-kernel-source_XXXXX.deb

Then run the following in terminal:
sudo dpkg -i *.deb

as I know, KDE Neon is based on Kubuntu 16.04 so I think the same thing would work but it's not, I get error trying to run "sudo dpkg -i *.deb" in terminal, please I need your help, I really love KDE Neon from the first time I try it and I planned to use it as my primary system. O ya, one more thing, is there proprietary drivers management like in Ubuntu? Thank you before

Hi,

sounds like this is related to a well known Network Manager issue.

Please run the following:

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sudo systemctl restart network-manager

Then wait a couple of seconds and have a look at the network list if your wifis show up.

If not, please provide output from the following shell calls:

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sudo nmcli r

(Prints radio status / wifi power status, shows, if some hardware switch is turned off or wifi was disabled by software)

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sudo nmcli d

(all network devices known to network manager)

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sudo nmcli g

(overall status)

For the next step you need the interface name of your wifi (will be listed by nmcli d - usually it's somewthing like wlan0 or wlp3s0 or something). Let's assume for the following it's called "wlan0". Please run:

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sudo iwconfig wlan0

(some informations about the wifi interface and it's current status)

Best regards,
Martin

wandry wrote:as I know, KDE Neon is based on Kubuntu 16.04 so I think the same thing would work but it's not, I get error trying to run "sudo dpkg -i *.deb" in terminal, please I need your help, I really love KDE Neon from the first time I try it and I planned to use it as my primary system. O ya, one more thing, is there proprietary drivers management like in Ubuntu? Thank you before

I forgot to mention: If it's a matter about a failed installation:

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sudo apt -f install

(in case a "dpkg -i" call fail because of missing packages, you can call this to install what's missing)

Also, because I forgot to ask: What's the exact name of your broadcom wifi card?

Please run:

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lspci

And provide the output.

Ok I will do them and report the result to you tomorrow, thank you very much for the suggestions. Is there no driver manager in kde neon? Is kde neon and kubuntu 16.04 software center and packages the same and can kde neon download and install same package as kubuntu from software centers? I've tried both and i like KDE Neon more

Woah its work, the sudo apt -f install command i mean, i have wireless connection now, thank you very much Cymaphore

wandry wrote:Woah its work, the sudo apt -f install command i mean, i have wireless connection now, thank you very much Cymaphore

You're welcome

(You can click "Accept this answer" below the post containing the apt -f install hint to mark it as solved in the forum overview)

just experienced the same bug on my new Lenovo Yoga 710 and restarted network-manager and wifi shows up. This is on plasma 5.11.5--hasn't this been fixed yet and, if not, is there a bug open for this?

I am also having the same problem I am using the developer edition
here is the list of outputs you asked for , currently I am using teathering

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puneethchanda@punni:~$ sudo systemctl restart network-manager
puneethchanda@punni:~$ sudo systemctl restart network-manager
puneethchanda@punni:~$ sudo nmcli r
WIFI-HW  WIFI     WWAN-HW  WWAN   
enabled  enabled  enabled  enabled
puneethchanda@punni:~$ sudo nmcli d
DEVICE           TYPE      STATE        CONNECTION         
enp0s20f0u3c4i2  ethernet  connected    Wired connection 1
enp1s0           ethernet  unavailable  --                 
lo               loopback  unmanaged    --                 
puneethchanda@punni:~$ sudo nmcli d
DEVICE           TYPE      STATE        CONNECTION         
enp0s20f0u3c4i2  ethernet  connected    Wired connection 1
enp1s0           ethernet  unavailable  --                 
lo               loopback  unmanaged    --                 
puneethchanda@punni:~$ sudo nmcli g
STATE      CONNECTIVITY  WIFI-HW  WIFI     WWAN-HW  WWAN   
connected  full          enabled  enabled  enabled  enabled
puneethchanda@punni:~$ sudo apt -f install
Reading package lists...
Building dependency tree...
Reading state information...
Starting pkgProblemResolver with broken count: 0
Starting 2 pkgProblemResolver with broken count: 0
Done
0 upgraded, 0 newly installed, 0 to remove and 731 not upgraded.
puneethchanda@punni:~$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Intel(R) 100 Series Chipset Family LPC Controller/eSPI Controller - 9D4E (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
02:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (rev 31)
puneethchanda@punni:~$


I had the same problem, i tried to blacklisted r8169 and install r8168 but could´t install the module, i fixed it with modprobe r8169

Uups, I am trying KDE Neon (5.22 user edition) in order to be ready to install.
my status is this:
from lspci
0c:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4312 802.11b/g LP-PHY (rev 01)

from lshw
*-network
description: Network controller
product: BCM4312 802.11b/g LP-PHY
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:0c:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:17 memory:f69fc000-f69fffff

sudo systemctl restart network-manager

sudo nmcli r > nmcli.txt
WIFI-HW WIFI WWAN-HW WWAN
enabled enabled enabled enabled

sudo nmcli d >> nmcli.txt
DEVICE TYPE STATE CONNECTION
enp9s0 ethernet connected Wired connection 1
lo loopback unmanaged --
It's not seen the wifi device...

sudo nmcli g >> nmcli.txt
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
connected full enabled enabled enabled enabled

Please help me to fix this before I be able to go ahead with the installation.
Is my version old? how may i get a newer one?