Ethernet LAN Setup Tutorial
If you want to setup a LAN (local area network) in your home, you'll need to become familiar with Ethernet cables. Each computer you plan on connecting to this LAN will need an Ethernet cable connecting it to a router. Once this is complete, you will be able to instantly transfer any computer file on one machine to another machine over the Ethernet cable.
Instructions
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Plug the AC adapter that came with your network router into a wall outlet. Position your network router in a place where it can be easily accessed by all computers you're adding to your home local area network.
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Connect one of the computers in your local area network to the router with an Ethernet cable. One end of the Ethernet cable will plug into the back of the computer and the opposite end will plug into one of the available Ethernet inputs on the back of the router.
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Repeat the above with additional Ethernet cables until all of the computers you want to connect to your home local area network are connected to the router.
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Insert the CD-ROM that came with your router into the CD-ROM drive on one of your computers.
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Click "Install" when the router software program pops up on screen. This will install the router's software. Once this process is complete, restart all of the computers in your local area network. When they boot back up they will be properly connected to each other on the LAN.
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Tips & Warnings
If you want to add an Internet connection to your local area network, connect a high-speed Internet modem to your router with an Ethernet cable.