help please

hiii
can somebody help me
do i need to set something for the internet to work?

because i have been connecting the internet cable to a desktop i took to my dad's house but it doesnt recognizes the internet or something

here in my dad's house the internet works different i think... a guy that lives a block from this house gives internet to my dad by a box on an antenna, the internet cable comes from there, i guess its wireless? idk... how can i make it work

how can i know if my dad's computer has a wireless PCI card or USB adapter

why is the internet so hard

are them one of these????

idk which one it might be one of these pl0x halp
http://i.imgur.com/zstQ3rM.jpg

http://i.imgur.com/zstQ3rM.jpg

leave and never come back.

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