Hi guys ... I did a new installation with KDE Neon and everything runs very well ... the only problem is that I can't see the available wifi. now i am connected with usb tethering. doing a short terminal check I saw this info.

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no wireless extensions.

lo        no wireless extensions.

chris@chris-Mi-Laptop-Pro-15:~$ sudo lshw -C network
  *-network                 
       description: Network controller
       product: Intel Corporation
       vendor: Intel Corporation
       physical id: 14.3
       bus info: pci@0000:00:14.3
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list
       configuration: driver=iwlwifi latency=0
       resources: irq:16 memory:b4210000-b4213fff
  *-network
       description: Ethernet interface
       physical id: 1
       logical name: enp0s20f0u3
       serial: c6:2d:89:18:7a:66
       capabilities: ethernet physical
       configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.70 link=yes mul

how can i fix it?

Could you please not cross post, even if it is different languages? It's the same people doing the support most of the time anyway...

Which exact Plasma version are you talking about? Always a helpful information, there is more than one Neon version out there.

Are you sure your WiFi is actually enabled?

@Mamarok I have the save problem. Everything was working file till i installed updates
Distribution: KDE neon 5.18
KDE Plasma Version: 5.18.2
KDE Frameworks Version: 5.67.0
Qt Version: 5.14.1
Kernel Version: 5.3.0-40-generic
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz
Memory: 7,6 GiB of RAM
following are some results:

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sudo nmcli d
DEVICE             TYPE      STATE         CONNECTION           
enx000ec6cecc41    ethernet  connected     name
A8:9C:ED:03:0D:7E  bt        disconnected  --                   
lo                 loopback  unmanaged     --   
sudo nmcli g
STATE      CONNECTIVITY  WIFI-HW  WIFI     WWAN-HW  WWAN   
connected  full          enabled  enabled  enabled  enabled
sudo nmcli r
WIFI-HW  WIFI     WWAN-HW  WWAN   
enabled  enabled  enabled  enabled


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sudo lshw -C network
  *-network                 
       description: Network controller
       product: Intel Corporation
       vendor: Intel Corporation
       physical id: 14.3
       bus info: pci@0000:00:14.3
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list
       configuration: driver=iwlwifi latency=0
       resources: irq:16 memory:c2218000-c221bfff
  *-network
       description: Ethernet interface
       physical id: 3
       logical name: enx000ec6cecc41
       serial: 00:0e:c6:ce:cc:41
       size: 100Mbit/s
       capacity: 100Mbit/s
       capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=asix driverversion=22-Dec-2011 duplex=full firmware=ASIX AX88772 USB 2.0 Ethernet ip=212.201.82.139 link=yes multicast=yes port=MII speed=100Mbit/s

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iwconfig
enx000ec6cecc41  no wireless extensions.

lo        no wireless extensions.


ethernet and bluetooth seem to be working perfectly, this wifi issue happened after the update.