The logic is to check if it as a browser related problem.
All my web browsers had the same issue which confirmed, this is not a browser problem.
Then I tried the diagnostic tool link that popped up in the webpage, which showed me DNS Server Not Responding Error.
Every security software tends to get corrupted over a period of time for reasons ranging from file corruption while updating files, conflicts with other software or indirect changes to security settings as a result of intentional or unintentional changes made on your PC.This might cause the security software to block internet connection.1) Disable security software especially the firewall settings. If not follow the next step 2)Check if the internet works fine in safe mode with networking Safe mode is a troubleshooting mode which allows only the essential operating system files and drivers to load.In safe mode with networking, apart from the basic OS files and drivers, network driver is also loaded which enable internet connection.I was just about to post an article on a different topic, but then I noticed that for some reasons, some websites were not opening up.
There were no error messages and the web page comes with an option to click on diagnostic tools to find the cause.
I confirmed that my internet connection is working fine as I was able to go to google and look for search results.
The next step was to open these website with browsers such as IE, Firefox and Chrome.
The logic – If the internet connection works fine in safe mode with networking,then third party services or driver is responsible for the problem by blocking the internet connection.
If the issue is still not fixed, then it might be some other problem.
How to start computer in safe mode with networking? If the connection works fine, restart the computer normally.