Will web browser cannot open any web page what should will do first

The solution to this question is given below in the explanation section.

Explanation:

If a web page is not open in a web browser, the first step that will be performing is to check if the internet is connected or not. Because we need to connect to the internet to access any web page. For this, you need to see the wifi or LAN icon and see the status of the connection. If this step is shown the internet is connected. Then diagnose the problem in the browser click on "Running Windows Network Diagnostics".

The diagnosis will get started in your browser, the solution will be suggested by this step if the problem exist. Mostly these problems are internet disconnectivity, router shutdown, browser issues, and internet connection and DNS issues.