The Wi-Fi is on and the airplane mode is off. The same network works on the mobile phone and on another computer.
Doesn't it show you any networks?
Then the WLAN card is either defective or deactivated.
So the laptop is very new and where and how can I activate it
You have to look in the settings. There should be something to be found there.
But I don't know anything more about windows.
What you show us is the final overview
to get there at all
Line 2 Doesn't it show any available Wi-Fi networks?
Then take a look under properties. Copy it into the search line here!
Device manager
Because on network adapters
Here you can find drivers to de / activate the card.