Thank you for the quick reply.
I will follow yous and Michale's advice.

Itay

On Wed, 4 Oct 2023, at 15:41, Alexander V. Makartsev wrote:
> On 04.10.2023 17:08, Itay wrote:
>> Hi
>> 
>> I recently purchased an HP ProBook 440 14" G10 laptop.
>> This configuration is certified by Ubuntu[1].
>> The specs, as advertised by HP, can be found here[2].
>> 
>> The installation (debian 12 'bookworm') went as expected (using DVD and wired
>> connection).  However, after reboot, I discovered that wifi was not working.
>> Bluetooth, on the other hand, is working.
>> 
>> After three days of search on the internet[3]-[9] I am really at a loss.
>> I have been a long-time debian *user* -- but am not an expert.
>> I am aware of the possibility to download drivers and compile them from
>> source[10]-[12], but hesitate to do that without an expert guide.
>> 
>> System and device information, as gathered by wireless-info script[13], will
>> follow the references.
>> 
>> Please advise
>> Thanks in advance.
>> Itay
>> 
>> 
>> ...
>> ##### kernel ############################
>> 
>> Linux 6.1.0-10-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.38-1 (2023-07-14) 
>> x86_64 unknown unknown GNU/Linux
>> ...
>> ##### lspci #############################
>> 
>> 03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device 
>> [10ec:c852] (rev 01)
>> Subsystem: Hewlett-Packard Company Device [103c:88e5]
>> ...
>> 
> https://forums.debian.net/viewtopic.php?t=155976
> 
> You need [1] to compile a kernel module for your wifi adapter. There is no 
> other way.
> Just follow build instructions [2] closely and you should be fine.
> 
> 
> [1] https://forums.debian.net/viewtopic.php?t=155976
> [2] 
> https://github.com/lwfinger/rtw89#dkms-packaging-for-debian-and-its-derivatives
> 
> --
> With kindest regards, Alexander.
> 
> ⢀⣴⠾⠻⢶⣦⠀ 
> ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
> ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
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