Ask Ubuntu Asked by NOVA1323 on December 27, 2021
I am new to Ubuntu and until yesterday all was working fine but when I booted Ubuntu today I can’t see the WiFi options in my tray or in the settings.
I have tried restarting the network manager using
sudo network-manager restart
but there isn’t any change.
I also tried
lshw -c network
and I get the following results
WARNING: you should run this program as super-user.
*-network UNCLAIMED
description: Network controller
product: Wireless-AC 9260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:3d:00.0
version: 29
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: latency=0
resources: iomemory:ffffffff0-fffffffef memory:ed200000-ed203fff
Also running
sudo modprobe iwlwifi && dmesg | grep iwlwifi
gives me this error
[ 21.148797] iwlwifi 0000:3d:00.0: enabling device (0000 -> 0002)
[ 21.526168] iwlwifi: probe of 0000:3d:00.0 failed with error -110
PC Specs:
Intel i7-9750H
Nvidia RTX 2070 MaxQ
16 GB 2666 DDR4 RAM
1TB HDD + 256GB SSD
Dual boot Ubuntu 20.04LTS and Windows 10
Thanks
So after contacting Dell a service engineer came to visit me and the problem seems to be a broken antenna cable (this seems to be a common problem with Intel Killer WiFi cards) which connects to the WiFi card. Replacing this would fix the problem in my case.
Thanks for the Help.
Answered by NOVA1323 on December 27, 2021
I got the same issue today when I turned on my PC. My WiFi driver was unavailable in the ‘Additional drivers’ section of ‘Software & Updates’. I tried and checked if this would fix with restarting the PC. But it didn’t.
So, I connected my PC through wired connection and updated Ubuntu through ‘Software Updater’. After that I restarted my PC and now it is working fine.
Answered by R K on December 27, 2021
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