

For this, open the Start menu by pressing the Windows button on your keyboard, and type Command Prompt in the Start search bar. Step 1: Open Command Prompt in Administrator mode. Here are the steps to follow to reset network settings: Here, you will be resetting TCP/IP and flushing DNS to fix the error. Resetting your Network settings is another method for you to try. Fix 2 – Reset Network Setting To Solve ERR TUNNEL CONNECTION FAILED Chrome Error Although carrying out these steps will solve the error for you, in case it didn’t work for you, try the next method. Now, restart your PC, open Chrome, and see if you are able to access the internet without the ERR TUNNEL CONNECTION FAILED error. Click the Ok button to apply the settings. Make sure that the Automatically detect settings option is selected. Step 5: This will open a separate window, where you need to unselect the Use a proxy server for your LAN option.

Step 4: This will open the Internet Properties window and automatically take you to its Connections tab.
