How do I get my second computer hooked up to the internet through my liksys wire

[msflodeen]

I need hel pstting up my internet connection to my second computer. I have my wireless router conected to my main computer. My ps3 is connected through wireless and now im trying to get my new computer connected. Im pretty sure im missing a step. Oh and Ialso have the usb stick thing for the interent connection plugged in to the new tower. Not sure what im doing wrong. I look for other network connection and it cant find any

 

[msflodeen]

its linksys for my wireless connection. I seem to have a lot of spelling mistakes. sorry