>>>>So got a new laptop with windows 10 .
>>>>
>>>>No problems but my wife doesn't like wireless.
>>>>So I had wireless turned on while she was out and I was setting it up.
>>>>
>>>>Now she's back in so I've turned off my wireless on the router.
>>>>
>>>>pop the ethernet cable in the new laptop and it doesn't fff___ing work.
>>>>
>>>>Resolveable I'm sure but it seems a very simple thing to have working out of the box.
>>>>
>>>>Time for Craig to tell me its an improved feature.
>>>
>>>Did you switch the laptop to airplane mode?
>>>
>>>Have you run through the network troubleshooters? They're starting to get somewhat useful.
>>
>>Yes wireless is off.
>>
>>I ran the Windows network diagnostic and its saying Ethernet doesn't have a valid IP configuration.
>
>On most computers (laptop or desktop) it's possible to enable or disable a built-in Ethernet port in the BIOS. Can you go into your BIOS setup (press the correct key during boot) and check? Depending on the BIOS it's probably under a section named "Integrated Peripherals" or something like that.
>
>You can also check that it's present in Device Manager. You should see at least 2 physical network adapters: one for wireless, one for wired. If there isn't a wired adapter you may need to enable it in the BIOS.
>
>To rule out a bad cable, can you try to connect with the same cable that you use for your old laptop?
>
>Do you know if the old laptop uses a static IP address, or if it gets one automatically via DHCP?

Looks like I'm having to restart the laptop if I change connections. The old laptop (this one) happily changed on the fly.

I can live with that for the moment but its a nuisance.