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Re: Wi-Fi broken on Dell E6520, Intel Centrino Advanced-N 6205 AGN, Debian 11.7 Xfce

On 05 May 2023 00:24, David Christensen wrote:
# ls -l /var/lib/systemd/rfkill
total 12
-rw-r--r-- 1 root root 2 May  4 12:15 pci-0000:03:00.0:wlan
-rw-r--r-- 1 root root 2 May 24  2022 pci-0000:0b:00.0:wlan
-rw-r--r-- 1 root root 2 May  4 13:04 platform-dell-laptop:wlan

Strange, looks like you have two wlan NICs ? Oh, maybe it's the bluetooth module.
Dunno, wireless sucks anyways ^^
So, to determine the correct WLAN adapter run both :

lspci -s 03:00.0
lspci -s 0b:00.0

So, there are three (3) files matching the description offered by Christoph Brinkhaus, and they all contain "0\n".

This is strange, he indicated that 0 is for normal ops, and 1 for blocked.

# systemctl --status rfkill
systemctl: unrecognized option '--status'

My bad, it's
# systemctl status rfkill

Is the rfkill *module* loaded ?
# lsmod | grep rfkill
# lsmod | grep rfkill
rfkill                 32768  4 dell_laptop,dell_rbtn,cfg80211

Good, it's loaded.
And there's a hint, the module "dell_rbtn", which should mean dell radio button.

Is the rfkill *tool* installed ?
# dpkg -l "*rfkill*"
dpkg-query: no packages found matching *rfkill*
If not, install it
# apt install rfkill

You did not install it :p

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