If you cannot connect to L2TP VPN, check this post. L2TP VPN or Layer 2 Tunneling Protocol, creates a secure connection between your device and a remote network.

Windows can't connect to this network is another issue users have been facing when trying to access the internet. Here are ways to fix it: ...

Did you update Windows 11 and now can't access the internet? Here are the steps to fix this issue.

Another possibility that you must check in this situation is if your Windows 11 PC can connect to the internet using another wi-fi. If you have an alternate wi-fi in range, try to connect to it.

If you need to share the internet with other devices or people, you can use a mobile hotspot on Windows 11, and here's how.