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2. Next scroll to the bottom of the page, find and select the option Show advanced settings ( Show advanced Settings .).
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Next go to Network , click Change proxy settings .
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3. At this time, Internet Propeties window appears, here you can select the Connections >> LAN settings tab.
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4. On the Local Area Network (LAN) Settings window , proceed to uncheck the Use a proxy server for your LAN option , then click OK to save the settings.
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From now on, you can freely use Google Chrome to surf the web.
Refer to some of the following articles:
Use Google Public DNS to speed up Internet connection
10 solutions for troubleshooting DNS Resolution
Instructions for changing DNS for iPhone, iPad and Android phones