No internet on other computer...PLS HELP:(

I have a Linksys WRT54G (ver7) Wireless Router.
I bought an xbox360 last week, and im using wired connection to access xbox live, and now there is no internet on my dad's computer (he use wireless connection). Signal is good, but he can't access the internet.

Pls help me :(
2 answers Last reply
More about internet computer help
  1. What does his ipconfig /all look like?

    Start --> Run type in 'cmd'. Enter:

    ipconfig /all

    Post the results in here.
  2. Reset everything, It worked when one of my computers couldn't get on the internet.
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