If you have a bad gateway configured on your computer, you are unable to gain access to the Internet and browse online websites. You must change the default gateway on your computer to route your Internet traffic to a known good gateway. A default gateway is the router used to access the Internet. The gateway setting is on a home or office computer, and you can quickly reconfigure your settings to fix online browsing issues.
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Click the Windows "Start" button and select "Control Panel." Type "adapter" (all typing done without the quotation marks) in the search text box in the top-right corner of the window. Press "Enter." Click "View Network Connections" in the "Network and Sharing Center" section.
Right-click your network card and select "Properties" from the popup menu. This opens a configuration window. Click the "Networking" tab. In this window, click "Internet Protocol Version 4 (TCP/IPv4)" and click "Properties" to open a new configuration window.
Change the Internet Protocol (IP) address in the section labeled "Default Gateway." This is provided by your network administrator if you are in an office network. If you are at home, the default gateway is the IP address of your network router.
Click "OK" to save your settings. Click "OK" again in the main properties window to save the changes and close the configuration window.