Fixing a Dynamic Host Configuration Protocol (DHCP) error on your computer allows you to regain normal Internet connectivity. Most Internet Service Providers (ISPs) and local networks use DHCP servers whose role is to allocate an Internet Protocol (IP) address to each connected computer. However, if your computer cannot communicate with the DHCP server, it might not receive an IP address and may therefore be unable to send or receive data. You can fix your DHCP server settings from within the Network and Sharing Center in Windows.
Instructions
1 Click on the "Network" icon in the tray notification area of your taskbar. Click on "Open Network and Sharing Center."
2 Click on "Change adapter settings" in the left-hand pane of the window.
3 Right-click on the network card that your computer normally uses to connect to the Internet or to the network. Select "Properties" in the contextual menu. Click on "Internet Protocol version 4" and select "Properties." Click on the radio buttons next to "Obtain an IP address automatically" and "Obtain DNS server address automatically." Click on "OK."
4 Click on "Internet Protocol version 6" and click on the same radio buttons. Confirm your settings by clicking on "OK."
5 Click on "Start." Type "cmd" in the search box and press the "Enter" key. This will open the Windows command prompt window. Type "/ipconfig registerdns," without the quotes, to refresh your DHCP settings.
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