Here is how to fix Internet connection problems on Windows 11 that caused because of DNS server errors.

Internet not working or no internet access after windows 11 update?

And running the internet troubleshooter resultsDNS server not respondingor DNS Server Unavailable Error?

Contents

What is DNS?

It converts a computers hostname into an IP address andvice versaon the Internet.

And here DNS play an important role to convert the hostname to the IP address of the webserver.

Here a video explains How a DNS Server (Domain Name System) works.

This will refresh the operating system and clear if a temporary glitch is present there that causing the issue.

Lets Flush and Renew your DNS on Windows 11.

Open command prompt as administrator, and fire off the following command one by one.

Note: Press enter key to execute each command.

Once done, key in exit and press enter key to terminate the command prompt and kickstart your PC.

Press Windows key + R, typencpa.cpland click ok to launch the data pipe connection window.

Restart the DNS services

Lets execute the DNS client service that probably fix the problem for you.

And let it obtain DNS address automatically from DHCP server.

Lets spin up the troubleshooter and let windows detect and fix the problem.

It is always important to refresh your operating system drivers.

Try these 8 solutions 2025

Download KB5055523 for Windows 11 (24H2) April 2025 Security Update