High-speed Internet is available almost everywhere these days. Although many computers, especially laptops, use wireless Internet, desktops employ hard-wired networks and offer better reliability at higher speeds. If you want to hard wire your computer to your Internet connection, all you need is a network or Ethernet cable, a router if you want to hook up more than one computer and access to your cable or DSL modem.
Step 1
Check your computer for an Ethernet port. It is similar to a phone jack but wider and taller. All modern desktops and laptops have Ethernet ports on their back sides. Older desktops may have a separate Ethernet card or none at all. If you have no Ethernet port, you will need to purchase one that is compatible with your operating system.
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Step 2
Buy an Ethernet cable long enough to go from your router or modem to your computer. Cables can be purchased at electronics stores and even at common retail stores such as Target and Walmart.
Step 3
Insert one end of the cable into one of the ports on your router, your cable modem or DSL modem.
Step 4
Insert the opposite end of the cable into the Ethernet port on your computer. Motherboards on desktops have small LEDs that light up when a network connection is made right at the point where the cable attaches to the computer.
Step 5
Confirm the connection is working. If the computer is on, the connection will be automatically detected provided you have the right drivers installed. Most computers will automatically configure new connections. If you are having trouble, check the drivers for your Ethernet device, your router and finally your modem. Consult a professional if you cannot determine the source of the problem.
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