No internet under Ubuntu 22.04 after booting into Windows 10

[Liam Proven]

On Sun, 18 Dec 2022 at 11:21, sciguy <sciguy at vex.net> wrote:
>
> As stated, I have a desktop PC that is dual-boot, and where the network
> operates under Windows 10 but not Linux.
[...]
> It was of some interest that I found that my router is assigning a
> different IP to the Windows 10 hostname than for the Linux hostname.

Hang on. This contradicts the 1st para.

Para 1: network works on Windows, does not work on Linux

Para 2: Linux gets a different IP address

Para 2 implies it's working.

I am not being hostile; I am confused.

Is it working, or not? A different IP address doesn't sound like a
critical failure.

This is a wired connection, right?

Have you tried another cable?

Does the machine have wifi? Does that work?

Have you run the "software and drivers" app and installed all
necessary device drivers?

And as I always say:

Check your motherboard firmware is up to date. If it isn't, update it.

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