What is the make and model of your computer?
You can also try running the Internet Connections and Network adapters troubleshooters.
Open Start > Settings > Update & security > Troubleshoot
Select Network adapters
Click Run the Troubleshooter
When complete, restart the try browsing again.
If that does not work, you likely need to update your computer drivers for the adapter.
Press Windows key + X
Click Device Manager
Expand network adapters
Right click each, then click uninstall
Exit Device Manager then restart
Let it redetect and reinstall the drivers.