Unable to connect the internet in pynq z2

Hi,
Can you access the router of your Internet connection? If so, can you try physically connecting the board and this router via an eternet cable?
Is it a personnal or professionnal wifi?

Did you check this website?
https://pynq.readthedocs.io/en/v3.0.0/getting_started/pynq_z2_setup.html