you didn't say it your dsl or dial up. if your on dial up. just connect your phone line to other computer. then go to control panel.
network connectons
on the left side of the panel should say create a new connection, click this
a wizard comes up follow inst.
click next
choose connect to the internet click next
choose set up my connection manually click next
choose connect using a dail modem click next
a box comes up type in 123abc clcik next
a box comes up type in your normal number that you use to connect to the internet clcik next
the next box type in your user name & password( these are the ones you use always use to log onto your internet.)
click next
a box comes up theres a place on it that has for you to click to add short cut to desk top click it. click finish your done.
you will have created a manually internet connect with a icon on your desktop just click it and it should connect you.