Can browse/cant connect to most sites srvers

Hello, Hello, As my computer will not connect to this site, i am using an alternate one. I own a custom pc with an NVidia nforce networking controller and when i load up google chrome or any other browser it will open uo google as my home-page. I am able to search and come up with items in my google searches but when i try to load those pages, a message that says it cant connect to that sites server.. i am, however, able to connect to servers of some games(call of duty). any help on how to fis this would be very appreciated, thank you