I've been up tryin to fix this thing forever, so i've givin up. I wanted to see what you guys think. Ok, I'm on a network of two computers. We use comcast cable. Well, my mother computer isin't connecting to it anymore, but the daughter computer is. Its been working for 2 years, but 2 days ago it decided to stop.. I dunno whats going on!!! Also the port on the mother computer says there is a link, but no activity, and both the cable modem box and the router says everything is perfectly fine.. What do you guys think? How can I fix this?

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