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#1 2021-03-12 21:13:07

andrew_al6
Member
Registered: 2021-03-12
Posts: 2

Wireless Interface not being detected [Solved]

I am running a windows desktop and trying to set up Arch linux as dual boot.
After installing Arch Linux I had Network Manager set up and connected correctly. After I installed and ran my desktop environment I lost connection and after rebooting I can no longer detect my wireless device.

#ip link
Only shows lo and Ethernet devices.

#ls /sys/class/net
Shows the same thing

#lspci -k
My device is an Intel Wi-Fi 6 AX200 with the iwlwifi driver

#dmesg | grep iwlwifi
Shows the firmware being loaded

So it looks like the driver and firmware are working properly but I still cant detect it.
Windows can still connect through the device but even when I reloaded the Live Environment it could not find the interface anymore.

I am unsure what the problem is or where I can look for a solution.
Any help would be appreciated.
Thank you

Last edited by andrew_al6 (2021-03-26 18:14:49)

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#2 2021-03-13 06:11:03

jenyatarch
Member
Registered: 2020-09-15
Posts: 1

Re: Wireless Interface not being detected [Solved]

Could you show output of:

ls -al /usr/lib/modules/
uname -a

?

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#3 2021-03-13 08:32:10

seth
Member
Registered: 2012-09-03
Posts: 19,799

Re: Wireless Interface not being detected [Solved]

Please also post the complete system journal.

Firmware crashes:
https://bbs.archlinux.org/viewtopic.php?id=257247
https://bbs.archlinux.org/viewtopic.php?id=261063
https://bbs.archlinux.org/viewtopic.php?id=254766


This user tried to mitigate a Lenovo related issue w/ S3'ing during the boot, causing the chip to fail
https://bbs.archlinux.org/viewtopic.php?id=264077

Edit: ceterum censeo and probably https://bbs.archlinux.org/viewtopic.php?id=262478
If there's a windows installation, disable windows fast boot (link in my signature)

Last edited by seth (2021-03-13 08:33:40)

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#4 2021-03-26 18:14:13

andrew_al6
Member
Registered: 2021-03-12
Posts: 2

Re: Wireless Interface not being detected [Solved]

Sorry for the late response, the firmware crashes links you posted helped me solve the issue. I thought I had windows fastboot disabled but after removing power completely then resetting the bios it worked again. Thank you both for your help.

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#5 2021-03-26 20:54:52

seth
Member
Registered: 2012-09-03
Posts: 19,799

Re: Wireless Interface not being detected [Solved]

Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.

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