wireless eth. card

when i try to configure the eth card the computer freezes.i select system,admin,networking.The networksettings dialog box opens. The top selection says wireless connection, rao not configured. When i click on properties as instructed the computer freezes. It is a Linksys wireless adapter.I got the ubuntu software in a book by Keir Thomas. I am a newbie.Thanks in advance,Joe

wireless eth. card

I hope the link works, you have to follow this guideline:https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingGuide?highlight=%28WifiDocs%29%7C%28AND%29%7C%28ManufacturerModel%29