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#21
Ok then. That should safely eliminate your router as the culprit. To eliminate the cable I'd just run the same test again with your wireless computer, using the ethernet to the modem in the same manner and bypassing wireless. I have a feeling that it's going to work fine but ya never know :)
I'd be curious what your machine does with an alternate install / operating system . That will tell us if it's software or hardware on your machine. I think a PE disc would probably be the easiest thing to try there, I'm sure we can help walk you through it if you need help.