How do I get my computer to recognize the Internet connection?

My laptop, windows XP, cannot connect to the internet through the LAN connection. However, my laptop could connect to the internet back in korea where I bought my computer. Also, the internet port is functional because my friends have used their computers on that port. My laptop can connect to wireless here, but just not the lan connection. Does anyone know what’s wrong with my computer?!

By: generalanticherub

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