No Wi-Fi Adapter found (despite proposed solutions on Help Page)

These CRFs can only be used with select Intel processors/chipset on systems/motherboards that is specifically designed to support it.

Though you can insert these CRF into a standard M.2 Key E socket, they are only compatible with a system designed for the CNVi. Contact your system or motherboard manufacturer to verify compatibility.

This kind of implies that while a buyer cannot just replace the card with the CNVi, if the machine was built with it, it should still work.
It raises that first question: Did the buyer replace their card with an AX211?

This would explain why we have most often been able to get AX2++ to work with iwlwifi driver. There are two variants: AX200 (standard M.2 PCIe) and AX201 (CNVi)

I did not know this (CNVi)- so thanks for educating me.

Generally, hardware manufacturers adhere to having a specific fitting slot when hardware is so changed. Otherwise, users would plug in incompatible hardware. Which appears to be exactly the case here.
They made a different card, with the same function and same slot, that cannot work on the motherboard it can be plugged into.
Complete lack of accountability or consumer protection on Intels part.

The Linux-OEM kernel is rolling release. Installing that would have the latest available drivers. And we did that. On top of that, we (we on this forum with other users) successfully joined Wifi6 Ax products with the backported iwlwfii drivers many times. That these failed... I wonder if you are correct about this being the newer CNVi integrated (mess).

And since it is not labeled that way and uses the same M.2 slot - it is not easily checked.

Of course, any user can grab an inexpensive WIFI USB Dongle off of an online seller that is Linux Supported and workaround the issue that way. It irks me, though.

And probably also by Zorin themselves, since my quote was from their OS 16.3 landing page.
Nevertheless, very interesting to learn that there exists a difference!

That sounds plausible even with my limited knowledge!

Now after a horrible night thanks to a broken bootloader after trying to remove zorin completely, I am back and try to answer all your replies..

Unfortunately, that did not change anything and was the reason for me trying to remove and reinstall Zorin. Haven't reinstalled yet due to the mentioned Problems with the uninstall and broken bootloader. Honestly, I am now slightly hesitant of reinstalling Zorin with the potential to go through that bootloader nightmare once again...

Sorry for a potentially stupid question, but do you mean that the Wi-Fi chip in my notebook is neither supported by Linux, nor the HP notebook and the windows 11 it came with? In that case I couldn't confirm, since windows 11 has no problems with the Wi-Fi and I am using the exact hardware the notebook was shipped with.

@jcordeiro & @Aravisian

Maybe I should clear up some information regarding my notebook:

  • I have not changed anything on the hardware of my notebook
  • I have bought it brand new just 2 days ago
  • It is an HP Elitebook 840 G10 (exact model number: 7L7U3ET)
  • It wanted to use it in Dual boot with the preinstalled Windows 11 it shipped with
  • Windows 11 works just fine on the notebook (no Wi-Fi or other problems encountered)

Does that have any relevance to your assumptions of Wi-Fi compatibility?

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Yes, it certainly establishes that you did not modify your hardware.

This is HP Ubuntu Certified by Hewlett Packard, even...

Yet, you have a variety of different issues.

I notice you say

So... this is dual booting. Two things:

  • Secure boot disabled or enabled in BIOS Settings? Secure Boot can block Linux access.
  • Is Windows OS being Fully Shutdown before booting into Zorin OS? Windows 11 does not necessarily shutdown. Instead, it goes into a kind of Hibernate State in which it can retain control over some of the hardware. This is done by Microsoft in order to make heavy clunky Windows OS appear to boot and init faster. Because it is not actually booting and initializing. Instead, it is just waking from Sleep.
    So please check Windows > Control Panel > Power Options for the status of "Fast Boot" or "Fast Startup". It may be enabled and needs to be disabled.
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Now this is remarkably interesting indeed! But it leaves me even more baffeld at the same time...

If I am not making a mistake, the two points you are mentioning should be exactly what I have tried/ mentioned in my initial post.

  1. Went to Boot menu and disabled secure boot
    Note: My notebook runs UEFI not bios, as far as I understand! Don't know whether that makes any difference in this context.
  2. Went down the path you describe in windows and turned fast boot of.

And of course nothing changed...

Since you have mentioned my specific notebook to be Ubuntu certified, I am wondering if Zorin Support members could solve my issues when buying the Pro version? Is there a way I could reach out to them in advance?

It is possible. They are knowledgeable. However, I do not like the idea of suggesting that you will only be helped by buying something.
They are reachable on the forum as AZorin and zorink.
They are the sole developers of Zorin OS, Zorin D.U., Zorin Grid, etc. So messaging them can take some time to get a reply.

Yes, Pro Users do get Direct Installation Support from the Zorin Group.
This is because in choosing Zorin OS Pro, it is important to really ensure that they can get installed and setup.

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