no wifi connection DELL XPS 13 9343

[facciofinta]

Hi,
I've a DELL XPS 13 9343, with Broadcom BCM4352 Card Wif- adapter.

Accordingo to https://wiki.debian.org/InstallingDebianOn/Dell/Dell%20XPS%2013%209343 I've installed broadcom-sta-source package, but wifi is still not working.
Someone can help me? thanks

[pavroo]

Does it help for you:
https://forum.sparkylinux.org/index.php/topic,2550.msg3913.html

[facciofinta]

Thanks.
I've installed broadcom-sta-dkms and uninstalled broadcom-sta-source.

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sudo apt-get remove broadcom-sta-source
sudo apt-get install broadcom-sta-dkms
(Network Manager was already installed).
According to https://tutorialforlinux.com/2020/01/01/step-by-step-debian-buster-install-broadcom-wifi-driver-offline-easy-guide/ I loaded the Broadcom Wifi Driver:

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sudo modprobe -r b44 b43 b43legacy ssb brcmsmac bcma
sudo modprobe wl
but this is the result:

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modprobe: FATAL: Module wl not found in directory /lib/modules/4.19.0-6-amd64
and:

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sudo iwconfig
lo        no wireless extensions.


thank in advance

[facciofinta]

I've updated the whole system through Synaptic but the problem is unchanged:

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sudo modprobe wl
modprobe: FATAL: Module wl not found in directory /lib/modules/4.19.0-6-amd64
and no wifi connection