LOCAL AREA CoNNECTION PROBLEM!!!!!!!?

I'm connected and have full access to the internet; but every other minute I keep on getting a message in the status bar that says: "Local Area Connection - A Network Cable Is Unplugged". I called up the phone company, and they said the dsl connection & the modem are good. They said I have either a... show more I'm connected and have full access to the internet; but every other minute I keep on getting a message in the status bar that says: "Local Area Connection - A Network Cable Is Unplugged". I called up the phone company, and they said the dsl connection & the modem are good. They said I have either a bad network card or bad network cables......Have any ideas? Should I buy new network cables? The ones that I am using are only about a year old.
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