I purchased a Gateway T1631from circuit city; they told me it came with a built-in 802.11g wireless card. Campus at school offers wireless connection and wired connection through I believe it’s called Ethernet. For some reason the network does not appear in my list of wireless network connection. And the Ethernet connection does not work as well. Is there a reason why? Do I have to purchase something additional? Is it the laptop? Keep it simple don't know a thing about computers.