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December 7th, 2012

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If you are having difficulties connecting to the wired Internet in your residence or office, it may be because your computer is attempting to statically assign, rather than automatically obtain, an IP address. In order to connect to a wired Internet connection, your computer must be configured with a unique IP Address pertaining to the network being connected to. The easiest way to guarantee a unique IP Address is to use DHCP (Dynamic Host Configuration Protocol).

Note: The instructions provided hereafter presume that the network you are connecting to has an active DHCP server. Modern routers will come with a built in DHCP server. This is generally enabled by default and is used as a DHCP source for most serverless networks.

This article will assist you to do this with Windows XP and Windows Vista, 7 & 8

Windows XP

1. Click Start, and Control Panel.
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2. Double click on Network Connections.
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3. Right click on the icon labelled Local Area Connection and select Properties.
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4. In the new window, select Internet Protocol (TCP/IP) from the list of items and click Properties.
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If any IP or DNS information is listed in the new window, you may want to record it in case you need to restore your settings at a later time.

5. Ensure the radio buttons beside Obtain an IP address automatically and Obtain DNS server address automatically are selected. Click OK. Click OK on the remaining windows
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This should then allow the computer to obtain an IP address using DHCP. You might need to disconnect the Network cable from the computer for 10 seconds and then reconnect the cable for the computer to be given a new IP address.

Windows Vista, 7 & 8

Please note that the screen shots are from Windows 8 however the steps are the same.

1. Click Start, and TYPE Control Panel and click on the control Panel

2. Using the Icon view, Click on Network and Sharing Centre
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3. Click on Change adapter settings from the navigation panel
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4. Right click on the Ethernet or Local Area Connection and click on Properties
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5. Select Internet Protocol Version 4 (TCP/IPv4 and click Properties.
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If any IP or DNS information is listed in the new window, you may want to record it in case you need to restore your settings at a later time.

6. Ensure the radio buttons beside Obtain an IP address automatically and Obtain DNS server address automatically are selected. Click OK. Click Close on the remaining windows
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This should then allow the computer to obtain an IP address from the DHCP server. You might need to disconnect the Network cable from the computer for 10 seconds and then reconnect the cable for the computer to be given a new IP address.